An annotated checklist of Myanmar orchid flora.

Aung YL; Mu AT; Aung MH; Liu Q; Jin X

doi:10.3897/phytokeys.138.36144

An annotated checklist of Myanmar orchid flora.

Affiliations

1. State Key Laboratory of Systematic and Evolutionary Botany, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China Institute of Botany, Chinese Academy of Sciences Beijing China.
Authors
Aung YL¹
Mu AT¹
Aung MH¹
Jin X¹
(4 authors)
2. Yunnan Forestry Technological College, Kunming, Yunnan, China Yunnan Forestry Technological College Yunnan China.
Authors
Liu Q²
(1 author)

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Phytokeys, 10 Jan 2020, 138:49-112
https://doi.org/10.3897/phytokeys.138.36144 PMID: 31988605 PMCID: PMC6969046

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Abstract

Myanmar is situated in Southeast Asia, where species richness and diversity are very high. Myanmar orchid flora is very rich, but still poorly known because botanical explorations have sharply decreased in Myanmar since 1950. The present study provides a checklist of Myanmar orchid flora which includes 1040 species and 151 genera currently known from Myanmar, based on the herbarium specimens, literature and online databases. The number of species is increased by approximately 200 species more than that given in the checklist of Kress et al. (2003), mainly due to recent discoveries of new species to science and new records for Myanmar. There are 76 endemic species of Orchidaceae in Myanmar. It is estimated that ca. 150-300 species still remain as unidentified and are expected to be discovered in further studies on Myanmar orchid flora.

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PhytoKeys. 2020; 138: 49–112.

Published online 2020 Jan 10. https://doi.org/10.3897/phytokeys.138.36144

PMCID: PMC6969046

PMID: 31988605

An annotated checklist of Myanmar orchid flora

Ye Lwin Aung,¹ Aye Thin Mu,¹ Mung Htoi Aung,¹ Qiang Liu,³ and Xiaohua Jin^1,²

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Abstract

Myanmar is situated in Southeast Asia, where species richness and diversity are very high. Myanmar orchid flora is very rich, but still poorly known because botanical explorations have sharply decreased in Myanmar since 1950. The present study provides a checklist of Myanmar orchid flora which includes 1040 species and 151 genera currently known from Myanmar, based on the herbarium specimens, literature and online databases. The number of species is increased by approximately 200 species more than that given in the checklist of Kress et al. (2003), mainly due to recent discoveries of new species to science and new records for Myanmar. There are 76 endemic species of Orchidaceae in Myanmar. It is estimated that ca. 150–300 species still remain as unidentified and are expected to be discovered in further studies on Myanmar orchid flora.

Keywords: Orchidaceae , Checklist, herbarium specimens, Myanmar

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Introduction

Southeast Asia is a region of high species richness and endemism, encompassing four major global biodiversity hotspots, namely Indo-Burma hotspot, Sundaland hotspot, Wallacea hotspot and Phillipines hotspot (Myers et al. 2000, Mittermeier et al. 2011). Biodiversity in this region is under various threats to species survival, such as habitat loss and fragmentation, land use change, climate change and deforestation. Under such circumstances, Southeast Asian countries face various challenges for biodiversity conservation and the lack of financial and technical assets (Myers et al. 2000, Sodhi et al. 2004, 2010, Mittermeier et al. 2011).

Myanmar is situated in Southeast Asia and is also part of the Indo-Burma biodiversity hotspot, with high species richness and diversity (Myers et al. 2000, Mittermeier et al. 2011). Due to its broad latitudinal range (tropical to subtropical), topographical (mostly mountainous) and climatic (monsoonal) factors, there are various types of ecosystems in Myanmar, from southern tropical evergreen rainforest ecosystem to northern subtropical montane forest ecosystem through central dry deciduous forests.

On the other hand, as biodiversity research is very limited in Myanmar, many species of fauna and flora still remain unidentified. Biodiversity conservation is urgently needed to secure the sustainability of existing biodiversity resources in Myanmar (Giam et al. 2010, Webb et al. 2010, Forest Department 2015, Jin et al. 2018a). According to the checklist of Myanmar flora (Kress et al. 2003), there are 273 families, 2371 genera and over 11,800 species of vascular plants, including ca. 800 species of Orchidaceae recorded from Myanmar (Kress et al. 2003, Kurzweil and Lwin 2014).

Botanical explorations have sharply decreased in Myanmar since 1950, leading to a large gap of knowledge on flora of Myanmar (Kress et al. 2003). Unlike neighbouring countries with intensive botanic investigation and a modern taxonomic treatment on orchid biodiversity, the orchid flora of Myanmar is very poorly known and lacks a modern taxonomic treatment (see Pearce and Cribb 2002, Ormerod and Sathish Kumar 2003, Ormerod 2005, 2012, Chen et al. 2009, Pedersen et al. 2011, 2014, Kurzweil and Lwin 2014).

At the start of the 21^st century, botanical explorations resumed in Myanmar, with the support of international cooperation for biodiversity conservation and research. As a result, there are discoveries of species new to science and new species records for Myanmar orchid flora over recent years (Ormerod 2005, Tanaka et al. 2010, 2015, 2018, Kurzweil et al. 2010, Kurzweil and Lwin 2012a, b, 2014, 2015, Kurzweil 2013, Watthana et al. 2015, Aung et al. 2017, Jin and Kyaw 2017, Liu et al. 2017, Yang et al. 2017, Aung and Jin 2018, Aung et al. 2018, Kurzweil and Ormerod 2018, Liu et al. 2018, Kang et al. 2019, Mu et al. 2019, Ya et al. 2019). In the review on Orchidaceae in the checklist of Kress et al. (2003), there are many species needed to be revised taxonomically due to recent advances in orchid taxonomy and systematics. For example, the genera DrymodaLindley (1838: 8), IoneLindley (1853: 1), MonomeriaLindley (1830b: 61), SunipiaLindley (1826a: 14, 21, 25), TriasLindley (1830a: 60) have been merged into BulbophyllumThouars (1822: 3), leading to nomenclatural changes in Bulbophyllum (Pridgeon et al. 2014, Vermeulen et al. 2014).

In addition, there is a sharp increase in the number of species of Orchidaceae due to recent discoveries of species new to science and new species records for Myanmar. For example, one new species of BulbophyllumThouars (1822: 3), two new species of CalantheBrown (1821: 573), three new species of CoelogyneLindley (1821: 33), two new species of DendrobiumSwartz (1799: 2, 6: 82), two new species of GastrodiaBrown (1810: 330), one new species of PinaliaLindley (1826b: 14, 21, 23), one new species of OdontochilusBlume (1858: 79) and one new species of Vanda Jones ex Brown (1820: 6: 506) have been described from Myanmar over recent years (Roberts et al. 2008, Ormerod and Wood 2010, Tanaka et al. 2010, Kurzweil 2013, Aung et al. 2017, 2018, Jin and Kyaw 2017, Liu et al. 2017, 2018, Yang et al. 2017, Aung and Jin 2018, Kurzweil and Ormerod 2018, Zhou et al. 2018a). Recently Kurzweil and Ormerod (2018) also reported 38 new records for Myanmar, also leading to an increase in the number of species of Myanmar orchid flora. Under the main theme of biodiversity conservation and research, the present study investigates the species richness of Myanmar orchid flora, based on the field investigation, herbarium specimens, literature and online databases. The present study will contribute to the floristic studies and biodiversity conservation in Myanmar.

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Material and methods

Study areas

In order to investigate species richness of Myanmar orchid flora, a programme of fieldwork has been conducted in almost all ecosystems across Myanmar. Seven protected areas across Myanmar, namely Hponkanrazi Wildlife Sanctuary and Hkakaborazi National Park of Kachin State, Popa Mountain Park of Mandalay Region, Nat Ma Taung National Park of Chin State, Alaungdaw Kathapa National Park of Sagaing Region, Taunggyi Bird Sanctuary and its adjacent areas of Shan State and Tanintharyi Nature Reserve of Tanintharyi Region, have been investigated two to five times in each protected area during 2014–2018 (Fig. (Fig.11).

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Figure 1.

Map of Myanmar, showing the location of study areas for orchid survey.

Specimen collections and identification

In total, approximately 1,000 specimens of orchids were collected for vouchers, kept in PE and RAF (Thiers 2019, http://sweetgum.nybg.org/ih/). More than 75% of the total specimens were collected from Hponkanrazi Wildlife Sanctuary and Hkakaborazi National Park, Putao District, Kachin State, Northern Myanmar. Putao is the northernmost district of Myanmar where there are vast areas of primary forest with high species richness and diversity. The remaining proportions were collected from other study areas. In the collections, most species are Dendrobium species, Bulbophyllum species and Coelogyne species. The remaining proportions are species of common genera Eria, Liparis, and Oberonia.

All collected specimens were taxonomically identified based on relevant literature, field notes, photographs taken during fieldwork, herbarium specimens (PE) and online herbarium specimens such as Kew Herbarium Catalogue and Chinese Virtual Herbarium (Seidenfaden 1992, Dressler 1993, Pedersen 1995, Pridgeon et al. 2001, 2005, 2014, Pedersen et al. 2002, 2011, 2014, Kress et al. 2003, Chen et al. 2009, Kurzweil and Lwin 2014, Chase et al. 2015, Chinese Virtual Herbarium 2018, Royal Botanic Gardens Kew 2018). For verification of taxonomic status of all species, literature and online databases, such as WCSP, were reviewed to confirm its respective taxonomic status (Pridgeon et al. 2001, 2005, 2014, Chen et al. 2009, Gardiner 2012, Gardiner et al. 2013, Vermeulen et al. 2014, Jin et al. 2014, Chase et al. 2015, Raskoti et al. 2016, 2017, Ng et al. 2018, WCSP 2019).

Investigation of herbarium specimens

In total, there were ca. 3,000 herbarium specimens examined, including specimens of our own collections (PE), Kew herbarium specimens (K) and specimen records from online herbaria: AMES, BM, E, GH, K, L, NY, P, US and W (Thiers 2019, http://sweetgum.nybg.org/ih/).

All available datasets of herbarium specimens (ca. 1500 specimens) and specimen photographs were downloaded from online herbaria and examined to enumerate the number of species and to investigate the species occurrences in Myanmar. The following are specimen records downloaded from each online herbarium, AMES (12 records), BM (420 records), E (496 records), GH (3 records), K (324 records), L (39 records), NY (116 records), P (87 records), US (81 records) and W (11 records) (Natural History Museum 2014, Royal Botanic Gardens Kew 2018, The BioPortal of Naturalis Biodiversity Center 2019, Smithsonian National Museum of Natural History 2019, New York Botanical Garden 2019, Royal Botanic Garden Edinburgh 2019, The Index of Botanical Specimens, Harvard University Herbaria and Libraries 2019, The Vascular Plants, Muséum National d’Histoire Naturelle 2019, The Virtual Herbaria, Naturhistorisches Museum Wien 2019). During our field trips in Myanmar, some old herbarium specimens at RAF (ca. 200 specimens) were also examined at herbarium (RAF) of Forest Research Institute in Yezin, Nay Pyi Taw.

As for species occurrences, the herbarium specimens (BM, E, K) provide the information on past record of species occurrences in Myanmar, for example, old collections (past 100 years) by some well-known plant collectors, such as Charles Parish, George Forrest, J. H. Lace, Frank Kingdon-Ward, W. A. Robertson, F. G. Dickason and C. W. D. Kermode during last half of the 19^th century and first half of the 20^th century. The herbarium specimens (PE) provide information on the current status of species occurrences across Myanmar.

In addition, some literature provides information on specimens from Myanmar that can be cited as specimen-based species occurrences in Myanmar (Kurzweil and Lwin 2015, Tanaka et al. 2015, 2018, Watthana et al. 2015, Aung et al. 2017, 2018, Jin and Kyaw 2017, Liu et al. 2017, 2018, Yang et al. 2017, Aung and Jin 2018, Kurzweil and Ormerod 2018, Zhou et al. 2018a, Ding et al. 2019, Kang et al. 2019, Mu et al. 2019, Ya et al. 2019).

Verification of species occurrence and taxonomic status

The number of species in the updated checklist is a result of taxonomic attempts, mainly based on our own collections, all available herbarium specimens, checklist of Kress et al. (2003) and all relevant literature. As for taxonomic status, we followed the updated classification of Orchidaceae (Chase et al. 2015) and all relevant papers of orchid taxonomy and systematics (Pridgeon et al. 2001, 2005, 2014, Chen et al. 2009, Gardiner 2012, Gardiner et al. 2013, Jin et al. 2014, Vermeulen et al. 2014, Raskoti et al. 2016, Raskoti et al. 2017, Govaerts 2018, Ng et al. 2018). In addition, all papers of new species descriptions and new records of Myanmar orchid flora were reviewed to identify the species occurrences and distribution in Myanmar (Kress et al. 2003, Roberts et al. 2008, Chen et al. 2009, Tanaka et al. 2010, 2015, 2018, Ormerod 2012, Pedersen et al. 2011, 2014, Kurzweil and Lwin 2012a, b, Kurzweil 2013, Kurzweil and Lwin 2014, Aung et al. 2017, 2018, Jin and Kyaw 2017, Koopowitz et al. 2017, Liu et al. 2017, 2018, Yang et al. 2017, Aung and Jin 2018, Kurzweil and Ormerod 2018, Zhou et al. 2018a, Ding et al. 2019, Kang et al. 2019, Mu et al. 2019, Ya et al. 2019).

Both the number of species and their taxonomic status were also verified with reliable online databases such as the World Checklist of Selected Plant Families (WCSP 2019), International Plant Names Index (IPNI 2012) and the Plant List (The Plant List 2013). Global Biodiversity Information Facility (GBIF 2019) and relevant online herbaria (AMES, BM, E, GH, K, L, NY, P, US and W) were also consulted to check the species occurrences of Orchidaceae in Myanmar.

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Results

The present study results in a checklist of Myanmar orchid flora which includes 1040 species in 151 genera, with the number of species increased by ca. 200 species more than that given in the checklist of Kress et al. (2003). The increase in number of species is mainly due to the recent discoveries of species new to science, as well as new records for Myanmar (Figs (Figs22–4). In the last few years, there were 19 new species of Orchidaceae discovered from Myanmar, preliminarily assigned the conservation status based on the IUCN Red List Categories and Criteria (Table (Table1).1). In Myanmar, there are 76 endemic species of Orchidaceae which need high conservation attention (IUCN 2012, IUCN Standards and Petitions Subcommittee 2019) (Table (Table22).

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Figure 2.

Coelogyne putaoensis X.H.Jin, L.A.Ye & Schuit., new species discovered from Myanmar A habit of Coelogyne putaoensisB close-up of flower of Coelogyne putaoensis. Photos by X.H. Jin.

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Figure 4.

New records discovered from Myanmar AOdontochilus poilanei (Gagnep.) Ormerod BCryptostylis arachnites (Blume) Hassk. Photos by Ye Lwin Aung.

Table 1.

New species of Orchidaceae discovered from Myanmar.

No.	Species	Conservation status (IUCN)
1	Biermannia burmanica Y.H. Tan & Bin Yang	LC
2	Bulbophyllum putaoensis Q.Liu	LC
3	Calanthe kermodei Ormerod & Kurzweil	LC
4	Calanthe punctata Kurzweil	LC
5	Coelogyne magnifica Y.H.Tan, S.S.Zhou & B.Yang	EN
6	Coelogyne putaoensis X.H.Jin, L.A.Ye & Schuit.	EN
7	Coelogyne victoria-reginae Q.Liu & S.S.Zhou	EN
8	Cylindrolobus glabriflorus X.H.Jin & J.D.Ya	LC
9	Dendrobium hkinhumense Ormerod & Kumar	EN
10	Dendrobium koyamae Nb. Tanaka, T. Yuakawa & J. Murata	LC
11	Dendrobium naungmungense Q.Liu & X.H.Jin	CR
12	Gastrodia kachinensis X.H.Jin & L.A.Ye	EN
13	Gastrodia putaoensis X.H.Jin	EN
14	Liparis popaensis X.H.Jin, A.T.Mu & L.A.Ye	LC
15	Odontochilus putaoensis X.H. Jin, L.A. Ye & A.T. Mu	EN
16	Paphiopedilum myanmaricum Koop., Iamwir. & S.Laohap.	EN
17	Phalaenopsis natmataungensis (T.Yukawa, Nob.Tanaka & J.Murata) Dalstrom & Ormerod	EN
18	Pinalia shiuyingiana Ormerod & Wood	NT
19	Vanda longitepala D.L.Roberts, L.M.Gardiner & Mote	EN

Table 2.

Endemic species of Orchidaceae in Myanmar.

No.	Species endemic to Myanmar	Conservation status (IUCN)
1	Biermannia burmanica Y.H. Tan & Bin Yang	LC
2	Bletilla chartacea (King & Pantl.) Tang & Wang	EN
3	Bulbophyllum birmense Schltr.	DD
4	Bulbophyllum kachinense (Seidenf.) J.J.Verm., Schuit. & de Vogel	EN
5	Bulbophyllum oligoglossum Rchb. f.	DD
6	Bulbophyllum putaoensis Q.Liu	LC
7	Bulbophyllum sillemianum Rchb.f.	DD
8	Calanthe punctata Kurzweil	LC
9	Cheirostylis pubescens Parish & Rchb. f.	DD
10	Coelogyne magnifica Y.H.Tan, S.S.Zhou & B.Yang	EN
11	Coelogyne picta Schltr.	EN
12	Coelogyne putaoensis X.H.Jin, L.A.Ye & Schuit.	EN
13	Coelogyne victoria-reginae Q.Liu & S.S.Zhou	EN
14	Cymbidium parishii Rchb. f.	CR
15	Dendrobium aphrodite Rchb. f.	LC
16	Dendrobium calothyrsos Schltr.	EN
17	Dendrobium hirtulum Rolfe	EN
18	Dendrobium hkinhumense Ormerod & Kumar	EN
19	Dendrobium koyamae Nb. Tanaka, T. Yuakawa & J. Murata	LC
20	Dendrobium laterale L.O. Williams	EN
21	Dendrobium leucochlorum Rchb. f.	EN
22	Dendrobium luteolum Bateman	EN
23	Dendrobium marmoratum Rchb. f.	DD
24	Dendrobium naungmungense Q.Liu & X.H.Jin	CR
25	Dendrobium pedilochilum Schltr.	EN
26	Dendrobium praetermissum Seidenf.	EN
27	Dendrobium rhodocentrum Rchb. f.	EN
28	Dendrobium sarmentosum Rolfe	DD
29	Dilochia subsessilis (Rolfe) S. Thomas	DD
30	Eria sicaria Lindl.	DD
31	Gastrochilus pechei Schltr.	DD
32	Gastrodia kachinensis X.H.Jin & L.A.Ye	EN
33	Gastrodia putaoensis X.H.Jin	EN
34	Goodyera myanmarica Ormerod & C.S.Kumar	EN
35	Habenaria corticicola W.W. Sm.	EN
36	Habenaria ditricha Hook. f.	NT
37	Habenaria linearis King & Pantl.	EN
38	Habenaria massoniana King & Pantl.	EN
39	Habenaria mientienensis Tang & F.T. Wang	NT
40	Habenaria prazeri King & Pantl.	EN
41	Habenaria shweliensis W.W. Sm. & Banerji	NT
42	Habenaria spatulifolia Parish & Rchb. f.	EN
43	Habenaria triquetra Rolfe	EN
44	Habenaria yomensis Gage	EN
45	Liparis forrestii Rolfe	EN
46	Liparis popaensis X.H.Jin, A.T.Mu & L.A.Ye	LC
47	Liparis stenoglossa Parish & Rchb. f.	DD
48	Luisia amesiana Rolfe	NT
49	Luisia cantharis Rolfe	NT
50	Luisia primulina Parish & Rchb. f.	NT
51	Micropera secunda (Rolfe) T. Tang & F.T. Wang	LC
52	Neottia flabellata (W.W.Sm.) Szlach.	EN
53	Neottia unguiculata (W.W.Sm.) Szlach.	EN
54	Odontochilus putaoensis X.H. Jin, L.A. Ye & A.T. Mu	EN
55	Oreorchis aurantiaca Pearce & Gibbs	EN
56	Paphiopedilum myanmaricum Koop., Iamwir. & S.Laohap.	EN
57	Papilionanthe sillemiana (Rchb. f.) Garay	EN
58	Phalaenopsis natmataungensis (T.Yukawa, Nob.Tanaka & J.Murata) Dalstrom & Ormerod	EN
59	Pholidota advena Parish & Rchb. f.	LC
60	Pinalia brownei (Braid) Ormerod	LC
61	Pinalia dasypus (Rchb.f.) Kuntze	LC
62	Pinalia rimannii (Rchb.f.) Kuntze	LC
63	Pinalia shanensis (King & Pantl.) Ormerod	DD
64	Pinalia shiuyingiana Ormerod & Wood	NT
65	Platanthera longibracteata Lindl.	EN
66	Renanthera hennisiana Schltr.	EN
67	Renanthera pulchella Rolfe	EN
68	Rhomboda wardii Ormerod	LC
69	Stereochilus laxus (Rchb. f.) Garay	LC
70	Tainia hennisiana (Schltr.) P.F.Hunt	DD
71	Thunia brymeriana Rolfe	EN
72	Thunia candidissima Rchb. f.	EN
73	Uncifera verrucosa Summerh.	DD
74	Vanda longitepala D.L.Roberts, L.M.Gardiner & Mote	EN
75	Vanda vipanii Rchb. f.	EN
76	Vandopsis shanica (Phillimore & W.W. Sm.) Garay	LC

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Figure 3.

New species discovered from Myanmar AGastrodia kachinensis X.H.Jin & L.A.Ye. BOdontochilus putaoensis X.H.Jin, L.A.Ye & A.T.Mu. Photos by X.H. Jin.

Local distribution information is provided for almost all species, usually at Region/State (Provincial) level distribution ranges (Table (Table3).3). Specific distribution locality information is also provided if known for some species. Voucher specimen citations are also provided for almost all species. In cases where herbarium specimens are lacking, the species occurrences are mainly based on the most reliable references of Kress et al. (2003) and Kurzweil and Lwin (2014). By the number of species, most genera consist of one to ten species per genus, while genera Dendrobium and Bulbophyllum consist of more than 100 species in each (Table (Table4).4). The updated checklist is mentioned in the following detail.

Table 3.

Local distribution of Orchidaceae in Myanmar.

No.	Administrative Provinces	Number of species known
1	Ayeyarwaddy Region	5
2	Bago Region	52
3	Chin State	227
4	Kachin State	394
5	Kayah State	4
6	Kayin State	30
7	Magway Region	29
8	Mandalay Region	219
9	Mon State	187
10	Nay Pyi Taw Union Territory	16
11	Rakhine State	29
12	Sagaing Region	105
13	Shan State	146
14	Tanintharyi Region	307
15	Yangon Region	32

Table 4.

Number of species in each genus in the updated checklist of Myanmar orchid flora.

No.	Genera	Number of species	No.	Genera	Number of species	No.	Genera	Number of species
1	Acampe	5	52	Diplomeris	2	103	Phalaenopsis	14
2	Acanthephippium	1	53	Diploprora	2	104	Pholidota	11
3	Acriopsis	2	54	Disperis	1	105	Pinalia	33
4	Aerides	5	55	Epipactis	4	106	Platanthera	16
5	Aeridostachya	1	56	Epipogium	2	107	Pleione	10
6	Agrostophyllum	6	57	Eria	8	108	Podochilus	4
7	Ania	2	58	Eriodes	1	109	Pogonia	1
8	Anoectochilus	5	59	Erythrodes	2	110	Polystachya	1
9	Anthogonium	1	60	Erythrorchis	1	111	Pomatocalpa	2
10	Aphyllorchis	1	61	Eulophia	14	112	Ponerorchis	5
11	Apostasia	3	62	Galearis	3	113	Porpax	12
12	Appendicula	1	63	Galeola	2	114	Pteroceras	3
13	Arachnis	3	64	Gastrochilus	10	115	Renanthera	5
14	Arundina	1	65	Gastrodia	4	116	Rhomboda	3
15	Bambuseria	1	66	Geodorum	5	117	Rhynchostylis	2
16	Biermannia	1	67	Goodyera	11	118	Risleya	1
17	Bletilla	4	68	Grammatophyllum	1	119	Robiquetia	3
18	Brachycorythis	6	69	Grosourdya	1	120	Saccolabiopsis	1
19	Bromheadia	2	70	Gymnadenia	1	121	Sarcoglyphis	3
20	Bryobium	1	71	Habenaria	49	122	Satyrium	1
21	Bulbophyllum	119	72	Hemipilia	3	123	Schoenorchis	2
22	Bulleyia	1	73	Herminium	10	124	Seidenfadenia	1
23	Calanthe	30	74	Herpysma	1	125	Sirindhornia	1
24	Callostylis	3	75	Hetaeria	4	126	Smitinandia	2
25	Cephalanthera	2	76	Holcoglossum	4	127	Spathoglottis	4
26	Cephalantheropsis	3	77	Lecanorchis	3	128	Spiranthes	1
27	Ceratostylis	4	78	Liparis	29	129	Stereochilus	3
28	Cheirostylis	8	79	Ludisia	1	130	Stereosandra	1
29	Chiloschista	4	80	Luisia	14	131	Stichorkis	1
30	Chrysoglossum	1	81	Malaxis	2	132	Strongyleria	1
31	Cleisomeria	2	82	Micropera	5	133	Taeniophyllum	1
32	Cleisostoma	15	83	Microsaccus	1	134	Tainia	4
33	Coelogyne	45	84	Mycaranthes	3	135	Thecostele	1
34	Collabium	2	85	Myrmechis	2	136	Thelasis	5
35	Corymborkis	1	86	Neogyna	1	137	Thrixspermum	5
36	Cremastra	1	87	Neottia	6	138	Thunia	5
37	Crepidium	8	88	Nephelaphyllum	3	139	Thuniopsis	1
38	Cryptochilus	4	89	Nervilia	6	140	Tipularia	1
39	Cryptostylis	2	90	Oberonia	29	141	Trachoma	1
40	Cylindrolobus	7	91	Odontochilus	8	142	Trichoglottis	5
41	Cymbidium	25	92	Oreorchis	5	143	Trichotosia	8
42	Cypripedium	3	93	Otochilus	4	144	Tropidia	2
43	Cyrtosia	1	94	Oxystophyllum	1	145	Tuberolabium	1
44	Dendrobium	144	95	Pachystoma	1	146	Uncifera	2
45	Dendrochilum	2	96	Panisea	6	147	Vanda	17
46	Dendrolirium	3	97	Paphiopedilum	14	148	Vandopsis	3
47	Dickasonia	1	98	Papilionanthe	5	149	Vanilla	3
48	Didymoplexis	1	99	Pecteilis	4	150	Vrydagzynea	2
49	Dienia	2	100	Pelatantheria	3	151	Zeuxine	9
50	Diglyphosa	1	101	Peristylus	10	Total		1040
51	Dilochia	1	102	Phaius	6	Total		1040

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Discussion

Botanical collections are still needed to cover the whole floristic diversity of Myanmar, because botanical explorations have sharply decreased in Myanmar since 1950 (Kress et al. 2003). There is a large gap of knowledge on Myanmar flora. Perhaps there are many species to be discovered in Myanmar. The fundamental data on the number of plant species and its distribution range is still not fully known so that it needs much more research for effective plant conservation in Myanmar. In addition, it needs modern taxonomic treatments for each family or genus so as to update their classification.

The orchid flora of Myanmar is very species-rich but still poorly known until now. The present study resulted in a checklist of Myanmar orchid flora which includes 1040 species and 151 genera. Botanical investigations are, however, still needed to better understand the orchid biodiversity of Myanmar. Compared with neighbouring countries with intensive orchid studies, Myanmar orchid flora have lagged behind being well-documented and well-studied. In this regard, it can be estimated that about 150–300 species still remain unexplored and are expected to be discovered in future studies on Myanmar orchid flora. As for conservation, all orchid species are legally protected by national legislation but most orchids are still under various threats for their survival, such as habitat loss due to deforestion and land use change. Orchids are, however, regarded as special plants in Myanmar society in terms of cultural ornamental purposes. Historically, Bulbophyllum auricomum Lindl. has been recognised as a royal flower in Myanmar during the period of Konbaung dynasty (1752–1885). Nowadays, it has been recognised as one of the national flowers of Myanmar, indicating the special attention of Myanmar society on orchids (Hinsley et al. 2018). Thus, it is obvious that the special role of orchids might enhance the orchid biodiversity conservation in Myanmar.

As for plant species richness in Myanmar, there are many new species described from Myanmar over recent years, for example, two new species of Annonaceae, one new species of Aristolochiaceae, one new species of Asteraceae, three new species of Balsaminaceae, one new species of Begoniaceae, two new species of Lamiaceae, one new species of Magnoliaceae, 10 new species of Orchidaceae, one new species of Phyllanthaceae and one new species of Zingiberaceae (Aung et al. 2017, 2018, Jin and Kyaw 2017, Liu et al. 2017, Tan et al. 2017, Tseng et al. 2017, Yang et al. 2017, 2018a, b, Aung and Jin 2018, Ding et al. 2018, Liu et al. 2018, Li and Ren 2018, Ruchisansakun et al. 2018, Tan et al. 2018, Ya et al. 2019, Yao et al. 2018, Zhou et al. 2018a, b, Mu et al. 2019).

Recently there are discoveries of two new plant familial records for Myanmar, namely Petrosaviaceae and Triuridaceae (Jin and Mint 2018, Jin et al. 2018b). It is very obvious that species richness is very high in Myanmar, with evidence of recent discoveries of species new to science and new records. With many more botanical explorations, the knowledge gap on the flora of Myanmar can be filled in the future.

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Checklist

The checklist consists of the following data (Table (Table55):

Table 5.

Checklist of Myanmar orchid flora.

No.	Species	Local distribution	Specimen citations
1	Acampe carinata (Griff.) Panigr.	Listed as occurrence in Myanmar	Kurzweil and Lwin 2014
2	Acampe cephalotes Lindl.	Putao, Kachin; Taunggyi, Shan	Xiaohua Jin et al. PT-5240 (PE!); Ye Lwin Aung PT-7601 (PE!)
3	Acampe joiceyana (J.J. Sm.) Seidenf.	Mt. Popa, Mandalay	Khin Myo Htwe 102 (spirit collection-MBK, TNS)
4	Acampe ochracea (Lindl.) Hochr.	YePhyu, Tanintharyi; Mt. Victoria, Chin	Ye Lwin Aung PT- 7307, PT-7542, PT-7356 (PE!)
5	Acampe praemorsa (Roxb.) Blatter & McCann	Mt. Popa, Mandalay; Bago (Pegu); Tanintharyi	s.coll. s.n. (P!); Khin Myo Htwe 13 (spirit collection-MBK, TNS)
6	Acanthephippium sylhetense Lindl.	Chin; Kachin; Magway; Mon; Sagaing; Taunggyi, Shan	Ye Lwin Aung PT-7594 (PE!)
7	Acriopsis indica Wight	Tanintharyi Nature Reserve, YePhyu,Tanintharyi; Mt. Victoria, Chin	Ye Lwin Aung PT-7269, PT-7350, PT-7565 (PE!); Hlaing Ko 19 (NY!)
8	Acriopsis liliifolia (Koen.) Ormerod	YePhyu, Tanintharyi	Ye Lwin Aung PT-7333 (PE!)
9	Aerides crassifolia Parish ex Burb.	Mt. Popa, Mandalay	Khin Myo Htwe 14 (spirit collection-TNS), Tanaka et al. 036165 (MBK)
10	Aerides falcata Lindl. & Paxton	Mt. Popa, Mandalay	Lace 6204 (E!); Khin Myo Htwe 33 (spirit collection-TNS)
11	Aerides multiflora Roxb.	Mon	Herb. Helfer 5222 (NY!)
12	Aerides odorata Lour.	Reported from Myanmar	Kress et al. 2003
13	Aerides rosea Lodd. ex Lindl. & Paxton	Putao, Kachin	Xiaohua Jin et al. PT-6998 (PE!)
14	Aeridostachya crassipes (Ridl.) Rauschert	Putao, Kachin	Xiaohua Jin et al. PT-2045, PT-2071, PT-5283 (PE!)
15	Agrostophyllum brevipes King & Pantl.	Putao, Kachin	Xiaohua Jin et al. PT-5243 (PE!), Ye Lwin Aung PT-7043 (PE!)
16	Agrostophyllum callosum Rchb. f.	Chin, Kachin, Magway, Mandalay, Sagaing, Shan, Tanintharyi	Ye Lwin Aung PT-7178 (PE!)
17	Agrostophyllum glumaceum Hook.f.	YePhyu, Tanintharyi	Ye Lwin Aung PT-7325, PT-7346 (PE!)
18	Agrostophyllum planicaule (Wall. ex Lindl.) Rechb.f.	Mandalay; YePhyu & Dawei (Tavoy), Tanintharyi	Ye Lwin Aung PT-7291, PT-7293 (PE!); R.C.F. Swinhoe 71 (K!); Keenan et al. 5094 (E!)
19	Agrostophyllum stipulatum (Griff.) Schltr.	Myeik (Mergui), Tanintharyi	Griffith 5220 (K!)
20	Agrostophyllum superpositum Schltr.	Putao, Kachin	Ye Lwin Aung PT-7116 (PE!)
21	Aniaangustifolia Lindl.	Dawei (Tavoy), Tanintharyi	Wallich 3740 (E!) & (BM!); Keenan et al. 1596 (E!); Kingdon-Ward 22717 (BM!)
22	Ania viridifusca (Hook.) Tang & W.T.Wang ex Summerh.	Chin; Kachin; Kyaikkahmi (Amherst), Mon	Lace 5622 (E!); Keenan et al. 3817 (E!); Kingdon-Ward 21737 (BM!)
23	Anoectochilus albolineatus Parish & Rchb. f.	Mt. Victoria, Chin; Moulmein, Mon; Tanintharyi	Parish 325 (K); Kingdon-Ward 22872 (BM!)
24	Anoectochilus burmannicus Rolfe	Kadat Reserve, Bago (Pegu)	Roger s.n. (K!)
25	Anoectochilus chapaensis Gagnep	Putao, Kachin	Qiang Liu 319 (HTIBC!)
26	Anoectochilus lylei Rolfe ex Downie	Kachin; Katha, Sagaing	Kingdon-Ward 20499 (BM!); Lace s.n. (E!)
27	Anoectochilus roxburghii Lindl.	Chin; Putao, Kachin	Xiaohua Jin et al. PT-ET 246, PT-ET 1110 (PE!); Kate Armstrong 2331 (NY!); Kingdon-Ward 21519 (BM!)
28	Anthogonium gracile Lindl.	Putao, Kachin; Mogok, Mandalay; Shan; Mon; Tanintharyi	Xiaohua Jin et al. PT-ET 454 (PE!); Lace 6016 (E!); MacGregor 818 (E!)
29	Aphyllorchis montana Rchb. f.	Chin	Kingdon-Ward 22609 (BM!)
30	Apostasia nuda R. Br.	Myeik (Mergui), Tanintharyi	Griffith 100 (K!)
31	Apostasia odorata Blume	Putao, Kachin	Xiaohua Jin et al. PT-2544 (PE!)
32	Apostasia wallichii R. Br.	Mt. Popa, Mandalay; Putao, Kachin	Xiaohua Jin et al. PT-ET 156 (PE!); Prazer 101 (E!); Keenan et al. 983 (E!); Khin Myo Htwe 030019 (MBK)
33	Appendicula cornuta Blume	Putao, Kachin; Tanintharyi	Ye Lwin Aung PT-7171, PT-7180 (PE!)
34	Arachnis clarkei J.J.Sm.	Chin; Shan	Kingdon-Ward 22876 & 22718 (BM!); Phillimore s.n. (P!)
35	Arachnis labrosa (Lindl. & Paxton) Rchb. f.	Putao, Kachin; Mon; Tanintharyi; Mt. Popa, Mandalay	Xiaohua Jin et al. PT-5342 (PE!); Tanaka et al. 036150 (MBK)
36	Arachnis siamensis (Schltr.) Tang & F.T.Wang	Mt. Popa, Mandalay	Khin Myo Htwe 108 (spirit collection-MBK, TNS)
37	Arundina graminifolia (D. Don) Hochr.	Chin; Putao, Kachin; Magway; Mandalay; Mon; Sagaing; Shan	Xiaohua Jin et al. PT-6771 (PE!); G. Forrest 24662 (E!); Prazer 102 (E!); MacGregor 823 (E!); Keenan et al. 3928 (E!); Kate Armstrong 2281 (NY!); Kingdon-Ward 22509 (BM!)
38	Bambuseria bambusifolia (Lindl.) Schuit., Y.P.Ng & H.A.Pedersen	Sumprabum, Kachin; Southern Shan State	Keenan et al. 3823 (K!) & (E!); W.A. Robertson 84 (K!); Kingdon-Ward 21664 (BM!)
39	Biermannia burmanica Y.H. Tan & Bin Yang	Putao, Kachin	Y.H. Tan, B. Yang, H.B. Ding, M.B. Maw & T.S. Tin M1593 (holotype, HITBC)
40	Bletilla chartacea (King & Pantl.) Tang & Wang	Listed as occurrence in Myanmar	Kurzweil and Lwin 2014
41	Bletilla foliosa (King & Pantl.) Tang & Wang	Pyin Oo Lwin (Maymyo), Mandalay	Lace 5883 (E!); English 145 (E!)
42	Bletilla formosana (Hayata) Schltr.	Listed as occurrence in Myanmar	Kurzweil and Lwin 2014
43	Bletilla striata (Thunb.) Rchb. f.	Kachin; Mon; Taunggyi, Shan	Farrer 994 (E!); Forrest 29728 (E!); Kingdon-ward 16780 (E!); Maung Po Khant 16337 (E!); Dickason 837 (P!)
44	Brachycorythis acuta (Rchb.f.) Summerh.	Paungbyin Reserve, Upper Chindwin, Sagaing; Mindat, Chin	Lace 4222 (K!) & (E!); Prazer 89 (E!); Kingdon-Ward 22426 (BM!)
45	Brachycorythis galeandra (Rchb. f.) Summerh.	Myikyina, Kachin; Ayeyarwaddy	Mokim 22 (BM!) & 82 (P!) & (US); Belcher 9480 (US)
46	Brachycorythis helferi (Rchb. f.) Summerh.	Mt. ZweKaBin, Kayin; Mon	Xiaohua Jin et al. PT-2570 (PE!); Parish s.n. (K!); Helfer 244 (K!); Keenan et al. 890 (E!)
47	Brachycorythis henryi (Schltr.) Summerh.	Shan	Maung Po Khant 16312 (E!)
48	Brachycorythis neglecta Pedersen	Pyin Oo Lwin (Maymyo), Mandalay; Lashio, Shan	Lace 4827, 5304 & 5837 (E!); Keenan et al. 575 (E!); MacGregor 678 (E!)
49	Brachycorythis obcordata (Lindl.) Summerh.	Listed as occurrence in Myanmar	Kurzweil and Lwin 2014
50	Bromheadia aporoides Rchb. f.	Mon, Tanintharyi	Kress et al. 2003
51	Bromheadia finlaysoniana (Lindl.) Miq.	Listed as occurrence in Myanmar	Kurzweil and Lwin 2014
52	Bryobium pudicum (Ridl.) Y.P.Ng & P.J.Cribb	Putao, Kachin	Xiaohua Jin et al. PT-2444 (PE!), Ye Lwin Aung PT-7068, PT-7073, PT-7080, PT-7099, PT-7111 (PE!)
53	Bulbophyllum affine Lindl.	Recorded from Myanmar	s.coll.s.n. (E!)
54	Bulbophyllum alcicorne Parish & Rchb. f.	Mon, Tanintharyi	Kress et al. 2003
55	Bulbophyllum amplifolium (Rolfe) Balakr. & Chowdhury	Listed as occurrence in Myanmar	Kurzweil and Lwin 2014
56	Bulbophyllum andersonii (Hook.f.) J.J.Sm.	Putao, Kachin	Ye Lwin Aung PT-7114 (PE!)
57	Bulbophyllum apodum Hook.f.	Shan	s.coll. s.n. (K!)
58	Bulbophyllum auricomum Lindl.	Taunggoo, Bago; Haka, Chin; Kachin; Mon; Rakhine; Tanintharyi; Yangon	Venning 6 (K!); Wallich 1985 (K!); s.coll. s.n. (K!); Lace s.n. (E!); Reynaud 60 (P!); Griffith s.n. (P!)
59	Bulbophyllum bifurcatoflorens (Fukuy.) J.J.Verm., Schuit. & de Vogel	Recorded from Myanmar	Kress et al. 2003
60	Bulbophyllum birmense Schltr.	Reported from Myanmar	Kress et al. 2003
61	Bulbophyllum blepharistes Rchb. f.	YePhyu, Tanintharyi	Ye Lwin Aung PT-7245, PT-7341, PT-7252, PT-7260 (PE!)
62	Bulbophyllum candidum (Lindl.) Hook.f.	Putao Township, Kachin State	Kurzweil & Saw Lwin KL 2637 (SING, spirit collection)
63	Bulbophyllum canlaonense Ames	Putao, Kachin	Ye Lwin Aung PT-7199, PT-7198, PT-7118 (PE!)
64	Bulbophyllum capillipes Parish & Rchb. f.	Chin, Mon, Tanintharyi	Kress et al. 2003
65	Bulbophyllum capnophyton J.J.Verm., Schuit. & de Vogel	YePhyu, Tanintharyi	Saw Lwin et al. TNRO 162 (SING, SING(spirit), Herbarium of Tanintharyi Nature Reserve Education Centre)
66	Bulbophyllum careyanum Spreng.	Paunglaung Creek, Nay Pyi Taw-Shan Yoma; Alaungdaw Kathapa National Park, Sagaing; Mt. Victoria, Chin; Kalaw, Shan	Ye Lwin Aung PT-7383, PT-7384, PT-7452, PT-7453, PT-7577 (PE!); Lois & Soren Egerod B-82 (K!)
67	Bulbophyllum cariniflorum Rchb.f.	Listed as occurrence in Myanmar	Kurzweil and Lwin 2014
68	Bulbophyllum caudatum Lindl.	Putao, Kachin	Xiaohua Jin et al. PT-2500 (PE!)
69	Bulbophyllum cauliflorum Hook. f.	Putao, Kachin; Mon	Ye Lwin Aung PT-7052, PT-7159, PT-7164, PT-7051, PT-7202, PT-7212 (PE!)
70	Bulbophyllum clandestinum Lindl.	Myeik (Mergui), Tanintharyi; Andaman Island	S. Kurz s.n. (K!); Griffith 5295 (K!)
71	Bulbophyllum collettii King & Pantl.	Listed as occurrence in Myanmar	Kurzweil and Lwin 2014
72	Bulbophyllum comosum Collett & Hemsl.	Taunggyi, Shan	H. Collett 100 (K!); s.coll. s.n. (K!)
73	Bulbophyllum crabro (C.S.P.Parish & Rchb.f.) J.J.Verm., Schuit. & de Vogel	Putao, Kachin; Kayin; Mon; Tanintharyi	Ye Lwin Aung PT-2264 (PE!); s.coll. s.n. (K!); Kingdon-Ward 10181 (BM!)
74	Bulbophyllum crassipes Hook. f.	Kayin; Moulmein, Mon; Rakhine; Alaungdaw Kathapa National Park, Sagaing	Ye Lwin Aung PT-7440, PT-7441 (PE!); A. Meebold 17424 (K!)
75	Bulbophyllum cupreum Lindl.	Kachin; Bago; Mon; Tanintharyi	Bull 48 (K!); Lace 6097 (E!)
76	Bulbophyllum cylindraceum Wall. ex Lindl.	Putao, Kachin	Xiaohua Jin et al. PT-2389, PT-2547 (PE!), Ye Lwin Aung PT-7107 (PE!)
77	Bulbophyllum dayanum Rchb. f.	Mon, Tanintharyi	Kress et al. 2003
78	Bulbophyllum delitescens Hance	Putao, Kachin	Qiang Liu 500 (HITBC!)
79	Bulbophyllum dickasonii Seidenf.	Putao, Kachin	Xiaohua Jin et al. PT-6143 (PE!); Dickason 8444 (AMES)
80	Bulbophyllum drymoda J.J.Verm., Schuit. & de Vogel	Kayin, Tanintharyi	Kress et al. 2003
81	Bulbophyllum drymoglossum Maxim.	Putao, Kachin	Xiaohua Jin et al. PT-6891 (PE!)
82	Bulbophyllum elatum (Hook.f.) J.J. Sm.	Nogmung Township, Kachin State	Kingdon-Ward 7408 (K)
83	Bulbophyllum emarginatum (Finet) J.J.Sm.	Kachin	Kingdon-Ward 73 (BM!) & (NY!)
84	Bulbophyllum eublepharum Rchb.f.	Listed as occurrence in Myanmar	Kurzweil and Lwin 2014
85	Bulbophyllum farreri (W.W. Sm.) Seidenf.	Htawgaw, Upper Burma	Kingdon-Ward 1560 (E!)
86	Bulbophyllum forrestii Seidenf.	Putao & Hpimaw, Kachin	Xiaohua Jin et al. PT-5279 (PE!); Kingdon-Ward 1554 (E!); Forrest 26609 (P!) & (US)
87	Bulbophyllum gracillimum (Rolfe) Rolfe	Recorded from Myanmar	s.coll. s.n. (K!)
88	Bulbophyllum guttulatum Wall. ex Hook. f.	Reported from Myanmar	Kress et al. 2003
89	Bulbophyllum haniffii Carr	Mon, Tanintharyi	Kress et al. 2003
90	Bulbophyllum helenae (Kuntze) J.J. Sm.	Mt. Victoria, Chin	Ye Lwin Aung PT-7516, PT-7551 (PE!); Forrest 26609 (E!)
91	Bulbophyllum hirtum Lindl.	Putao, Kachin; Chin; Shan; Tanintharyi	Xiaohua Jin et al. PT-5280 (PE!); Keenan et al. 3033 (E!); MacGregor 2524 (E!); Kate Armstrong 2408 (NY!)
92	Bulbophyllum intricatum Seidenf.	Putao, Kachin; southwestern part of Shan; Webula, Falam, Chin	Qiang Liu M16-29 (HITBC!); Fujikawa et al. 101848 (MBK); Daun 44 (K!)
93	Bulbophyllum kachinense (Seidenf.) J.J.Verm., Schuit. & de Vogel	Kachin	Kress et al. 2003
94	Bulbophyllum kanburiense Seidenf.	Reported from Myanmar	Kress et al. 2003
95	Bulbophyllum khasyanum Griff.	Putao, Kachin; Tanintharyi	Qiang Liu 477 (HITBC!)
96	Bulbophyllum kingii Hook.f.	Recorded from Myanmar	Kingdon-Ward 13507 (BM!)
97	Bulbophyllum lasiochilum Parish & Rchb. f.	Reported from Myanmar	Kress et al. 2003
98	Bulbophyllum laxiflorum (Blume) Lindl.	Mon, Tanintharyi	Kress et al. 2003
99	Bulbophyllum lemniscatum Parish ex Hook. f.	Mon; Tanintharyi; Taunggoo, Bago	Lhin 4411 (K!); Parish 211 (K!)
100	Bulbophyllum leopardinum (Wall.) Lindl.	Mt. Victoria, Chin	Ye Lwin Aung PT-7530 (PE!)
101	Bulbophyllum lepidum (Blume) J.J.Sm.	Chin; YePhyu, Tanintharyi	Ye Lwin Aung PT-7358 (PE!)
102	Bulbophyllum limbatum Parish & Rchb. f.	Reported from Myanmar	Kress et al. 2003
103	Bulbophyllum lindleyanum Griff.	Reported from Myanmar	Kress et al. 2003
104	Bulbophyllum lineatum (Teijsm. & Binn.) J.J. Sm.	Bago, Tanintharyi, Yangon	s.coll. 89 (K!)
105	Bulbophyllum lobbii Lindl.	Kayin, Rakhine, Tanintharyi	Lace s.n. (E!)
106	Bulbophyllum longipes Rchb.f.	Mon, Tanintharyi	Kress et al. 2003
107	Bulbophyllum lopalanthum J.J.Verm., Schuit. & de Vogel	Mandalay	Xiaohua Jin et al. PT-5235 (PE!)
108	Bulbophyllum macphersonii Rupp	Tanintharyi	Kress et al. 2003
109	Bulbophyllum macranthum Hook. f.	Bago, Tanintharyi	Kress et al. 2003
110	Bulbophyllum microtepalum Rchb. f.	Mon, Tanintharyi	Kress et al. 2003
111	Bulbophyllum moniliforme Parish & Rchb. f.	Mt. Victoria, Chin; Mon; YePhyu, Tanintharyi; Alaungdaw Kathapa National Park, Sagaing	Ye Lwin Aung PT-7407, PT-7337, PT-7480 (PE!); Parish 96 (K!)
112	Bulbophyllum muscarirubrum Seidenf.	Listed as occurrence in Myanmar	Kurzweil and Lwin 2014
113	Bulbophyllum nasutum Rchb.f.	Mon, Tanintharyi	Parish 263 (K!)
114	Bulbophyllum nigrescens Rolfe	Myitkyina, Kachin; PyinOoLwin (Maymyo), Mandalay; Shan	Kermode 17332 (AMES) & (K!); A. Samuel 13537 (K!); Egerod B-17 (US)
115	Bulbophyllum oblongum Rchb.f.	Mon, Tanintharyi	Parish 264 (K!); Griffith s.n. (P!)
116	Bulbophyllum odoratissimum Lindl.	Myitkyina & Putao, Kachin; Webula, Falam, Chin; Myeik(Mergui), Tanintharyi; Taunggoo, Bago	Xiaohua Jin et al. PT-2043, PT-2073, PT-2385, PT-2457 (PE!); Ye Lwin Aung PT-7042, PT-7117, PT-7161, PT-7162, PT-7165, PT-7048, PT-7194 (PE!); C.Bagg B-13 (K!); Su Kae 10032 (K!); Daun 35 (K!); C.W.D. Kermode 17329 (K!); A.F.G. Kerr 01005 (K!); Inokum s.n. (K!); Mokum s.n. (US)
117	Bulbophyllum oligoglossum Rchb. f.	Reported from Myanmar	Kress et al. 2003
118	Bulbophyllum orientale Seidenf.	Recorded from Myanmar	SBGO 3651 (SING, spirit collection)
119	Bulbophyllum ornatissimum (Rchb. f.) J.J. Sm.	Reported from Myanmar	Kress et al. 2003
120	Bulbophyllum parviflorum Parish & Rchb. f.	Putao, Kachina; Mon; Tanintharyi	Qiang Liu M16-4 (HITBC!)
121	Bulbophyllum pectinatum Finet	Mt. Victoria, Chin; Near Black Rock, Myitkyina, Kachin	Ye Lwin Aung PT-7477, PT-7537, PT-7539, PT-7553 (PE!); R.C.F. Swinhoe R 113, 35 (K!); C.W.D. Kermode 17328 (K!); Bull 135 (K!)
122	Bulbophyllum penicillium Parish & Rchb. f.	Mon, Tanintharyi	Ye Lwin Aung PT-7330 (PE!); s.coll. s.n. (K!); Parish 303 (K!)
123	Bulbophyllum pictum C.S.P.Parish & Rchb.f.	Mon, Tanintharyi	Kress et al. 2003
124	Bulbophyllum picturatum (Lodd.) Rchb. f.	Mt. Popa, Mandalay	Khin Myo Htwe 133 (spirit collection-TNS)
125	Bulbophyllum polliculosum Seidenf.	Listed as occurrence in Myanmar	Kurzweil and Lwin 2014
126	Bulbophyllum polyrrhizum Lindl.	Webula, Kalaymyo, Chin; Shan; Mt. Popa, Mandalay	R.C.F. Swinhoe 91 & 94 (K!); F.G. Dickason 7225 (K!); Egerod B-225 (US); Khin Myo Htwe 98 (spirit collection-MBK)
127	Bulbophyllum protractum Hook. f.	Tanintharyi	Kress et al. 2003
128	Bulbophyllum pseudopicturatum (Garay) Sieder & Kiehn	Listed as occurrence in Myanmar	Kurzweil and Lwin 2014
129	Bulbophyllum psittacoglossum Rchb. f.	Tanintharyi	Kress et al. 2003
130	Bulbophyllum pteroglossum Schltr.	Putao, Kachin	Xiaohua Jin et al. PT-ET 1060 (PE!)
131	Bulbophyllum pumilio Parish & Rchb. f.	Kalamataung, Mon; Tanintharyi	Parish 220 (K!)
132	Bulbophyllum purpureofuscum J.J.Verm., Schuit. & de Vogel	Putao, Kachin	Xiaohua Jin et al. PT-2442 (PE!)
133	Bulbophyllum putaoensis Q.Liu	Wasadam village, Putao County, Kachin State	Q. Liu 330 (holotype, HITBC!)
134	Bulbophyllum reclusum Seidenf.	Mt. Popa, Mandalay	Khin Myo Htwe 53 (spirit collection-MBK, TNS), Khin Myo Htwe 25 (spirit collection-MBK, TNS)
135	Bulbophyllum refractum (Zoll.) Rchb. f.	Chin, Tanintharyi	Kress et al. 2003
136	Bulbophyllum reichenbachii (Kuntze) Schltr.	Kayin, Mon	Parish 200 (K!); s.coll. s.n. (K!)
137	Bulbophyllum repens Griff.	Tanintharyi	Kress et al. 2003
138	Bulbophyllum reptans Griff.	Putao, Kachin; Mt. Victoria, Chin	Xiaohua Jin et al. PT-2548 (PE!), Ye Lwin Aung PT-7535, PT-7536 (PE!); Dackason 7500 (K!); Forrest 26516 (E!) & (US!); Kate Armstrong 1951 (NY!); Forrest 26516 (NY!); Kingdon-Ward 384 (NY!)
139	Bulbophyllum retusiusculum Rchb. f.	Mt. Victoria, Chin; Dawei (Tavoy), Tanintharyi	Keenan et al. 5615 (E!); Cooper 6082 (E!); Forrest 26603 (US)
140	Bulbophyllum rimannii (Rchb.f.) J.J.Verm., Schuit. & de Vogel	Shan	Phillimore s.n. (K!)
141	Bulbophyllum rolfei (Kuntze) Seidenf.	Nogmung Township, Kachin State	Saw Lwin KSL 1080, 1089 (RAF)
142	Bulbophyllum roseopictum J.J.Verm., Schuit. & de Vogel	Putao, Kachin	Kate Armstrong 2063 (NY!)
143	Bulbophyllum roseum Ridl.	Mon, Rakhine, Tanintharyi	Kress et al. 2003
144	Bulbophyllum rufilabrum Parish	Tanintharyi	Kress et al. 2003
145	Bulbophyllum rufinum Rchb. f.	Mandalay; Tanintharyi	R.C.F. Swinhoe K77 (K!)
146	Bulbophyllum sarcophyllum (King & Pantl.) J.J. Sm.	Listed as occurrence in Myanmar	Kurzweil and Lwin 2014
147	Bulbophyllum scabratum Rchb.f.	Nogmung Township, Chipwi Township, Northeastern Part, Kachin State	Toppin 6265 (K!); Forrest 26603 (K & E!); Saw Lwin KSL 1082 (RAF)
148	Bulbophyllum scaphiforme Verm.	Kentung, Shan State	Dickason 9693 (AMES)
149	Bulbophyllum secundum Parish & Rchb. f.	Mt. Victoria, Chin; Kachin; Magway; PyinOoLwin (Maymyo), Mandalay; Sagaing; Shan	A. Samuel 13549 (K!); R.C.F. Swinhoe 122 (K!); White 380 (US)
150	Bulbophyllum serratotruncatum Rchb. f.	Reported from Myanmar	Kress et al. 2003
151	Bulbophyllum shanicum King & Pantl.	Shan	Abdul Huk s.n. (K!)
152	Bulbophyllum sicyobulbon Parish & Rchb. f.	Mt. Popa, Mandalay; Mon; Tanintharyi	Ye Lwin Aung PT-7458 (PE!); R.C.F. Swinhoe 95 (K!)
153	Bulbophyllum sillemianum Rchb.f.	Recorded from Myanmar	Perrin s.n. (P!)
154	Bulbophyllum spathulatum (Rolfe ex Cooper) Seidenf.	Shan	s.coll. s.n. (K!)
155	Bulbophyllum stenobulbon Parish & Rchb. f.	Putao, Kachin; Mon; Tanintharyi	Ye Lwin Aung PT-7197, PT-7186, PT-7192, PT-7218 (PE!)
156	Bulbophyllum sterile (Lam.) Suresh	Paunglaung Creek, Nay Pyi Taw-Shan Yoma; Mon	Ye Lwin Aung PT-7375 (PE!)
157	Bulbophyllum striatum (Griff.) Rchb.f.	Nogmung Township, Kachin State	Saw Lwin KSL 1063 (RAF)
158	Bulbophyllum suavissimum Rolfe	Chin; Kachin; Magway; Mandalay; Kyaikkami(Amherst), Mon; Sagaing; Shan	C.E. Parkinson 5114 (K!); Brassen s.n. (K!); Cooper s.n. (K!); Lace 5606 (E!)
159	Bulbophyllum sulcatum (Blume) Lindl.	Putao, Kachin; Mt. Victoria, Chin; YePhyu, Tanintharyi	Ye Lwin Aung PT-7324, PT-7361, PT-7517, PT-7187, PT-7219, PT-7360 (PE!)
160	Bulbophyllum sunipia J.J.Verm., Schuit. & de Vogel	Putao, Kachin; Mt. Victoria, Chin; Mon; Taunggyi, Shan; Tanintharyi	Xiaohua Jin et al. PT-2050, PT-2074, PT-2099 (PE!); Ye Lwin Aung PT-7557, PT-7579 (PE!); Su Lay 10014 (K!); Kingdon-Ward 3028 (E!)
161	Bulbophyllum taeniophyllum Parish & Rchb. f.	Mon, Shan, Tanintharyi	Kingdon-Ward 20634 (BM!)
162	Bulbophyllum thaiorum J.J. Sm.	Listed as occurrence in Myanmar	Kurzweil and Lwin 2014
163	Bulbophyllum tripudians Parish & Rchb. f.	Mt. Victoria, Chin	Ye Lwin Aung PT-7518, PT-7519 (PE!)
164	Bulbophyllum triste Rchb. f.	Mt. Victoria, Chin; Taunggyi, Shan; Bago; Tanintharyi	Ye Lwin Aung PT-7538 (PE!); Parish 207 (K!); MacKee 6184 (P!)
165	Bulbophyllum umbellatum Lindl.	Near Kangfang, Myitkyina & Putao, Kachin; Falam, Chin	Kermode 17288 (K!); Daun 73 (K!); Kingdon-Ward 9348 (BM!)
166	Bulbophyllum wallichii Rchb.f.	Kachin; Hkamti, Sagaing	Mokim 5 (E!); Kate Armstrong 3107 (NY!)
167	Bulbophyllum wendlandianum (Krzl.) Dammar	Reported from Myanmar	Kress et al. 2003
168	Bulbophyllum wightii Rchb. f.	Reported from Myanmar	Kress et al. 2003
169	Bulbophyllum xylophyllum Parish & Rchb. f.	Mon, Rakhine, Tanintharyi	Parish 82 (K!)
170	Bulbophyllum yoksunense J.J.Sm.	Putao, Kachin	Kingdon-Ward 13304 (BM!)
171	Bulbophyllum yunnanense Rolfe	Putao, Kachin	Ye Lwin Aung PT-7035 (PE!)
172	Bulleyia yunnanensis Schltr.	Chipwi Township, Kachin State	Kingdon-Ward 1837 & s.n. (E!)
173	Calanthe alismifolia Lindl.	Putao Township, Kachin State	Xiaohua Jin et al. PT-2082, PT-2203, PT-2381, PT-2382 (PE!); Kurzweil & Lwin 2693 (SING, spirit)
174	Calanthe alpina Hook.f. ex Lindl.	Upper Myanmar, Kachin State; valley of the Dichu	Kingdon-Ward 21170 (AMES); F.K.W. 7126 (K!); Kingdon-Ward 1653 (E); s.coll. S.n. (E!)
175	Calanthe arcuata Rolfe	valley of the Dichu; Chipwi Township, Kachin State	Kingdon-Ward 7177 (K!); Kingdon-Ward 1654, 1696, 1721 (E); s.coll. s.n. (E!)
176	Calanthe baliensis J.J.Wood & J.B.Comber	Putao, Kachin	Ye Lwin Aung PT-7166 (PE!)
177	Calanthe biloba Lindl.	Chin, Kachin, Magway, Mandalay, Sagaing, Shan	Kress et al. 2003
178	Calanthe brevicornu Lindl.	Kachin	Kingdon-Ward 3048 (E!)
179	Calanthe ceciliae Rchb. f.	Shan	Imschort s.n. (K!)
180	Calanthe clavata Lindl.	Recorded from Myanmar	Kingdon-Ward 9088 & 10222 (BM!)
181	Calanthe densiflora Lindl.	Putao, Kachin	Ye Lwin Aung PT-7124 (PE!); s.coll. s.n. (E!); Kingdon-Ward 21351 (BM!)
182	Calanthe griffithii Lindl.	Upper Myanmar	Forrest 26671 (K!)
183	Calanthe hancockii Rolfe	Kangfang-hlawpaw, Myitkyina, Kachin	Lulay 9862 (K!)
184	Calanthe herbacea Lindl.	Putao, Kachin	Xiaohua Jin et al. PT-2070 (PE!); Toppin 2736 (E!)
185	Calanthe kermodei Ormerod & Kurzweil	Laikam to Fengshuiling road, southeastern part of Myitkyina District, Kachin State	Kermode 17210 (Holotype, AMES!; Isotype, K)
186	Calanthe labrosa (Rchb. f.) Rchb. f.	Tanintharyi	Richard Abbott 27951 (NY!)
187	Calanthe lamellosa Rolfe	Kachin (Upper Burma)	Forrest 26655 & 26671 (E!) & (US)
188	Calanthe lyroglossa Rchb. f.	Chin, Kachin, Magway, Mandalay, Sagaing, Shan	Kress et al. 2003
189	Calanthe mannii Hook.f.	Near Htawgaw & Kangfang-Black Rock Road, Myitkyina, Kachin	Kermode 17024 & 17325 (K!); s.coll. s.n. (E!); Kingdon-Ward 20645 & 9456 (BM!)
190	Calanthe masuca (D.Don) Lindl.	Kyungdaing-ywa-kyeni-in, MayMyo township, Mandalay	Maung Po Khant 16379 (K!)
191	Calanthe odora Griff.	Mandalay, Shan	Kress et al. 2003
192	Calanthe plantaginea Lindl.	Listed as occurrence in Myanmar	Kurzweil and Lwin 2014
193	Calanthe puberula Lindl.	collected place 6.44 km far from Kang-fang, Myitkyina & Putao, Kachin	Ye Lwin Aung PT-7208 (PE!); Naw Mu Pa 17436 (K!)
194	Calanthe punctata Kurzweil	Yae Kan Taung, Dawei, Tanintharyi	Saw Lwin et al. TNRO 153 (Holotype, SING; Isotype, Myanmar Floriculturist Association)
195	Calanthe rosea (Lindl.) Benth.	Mon, Tanintharyi	Kress et al. 2003
196	Calanthe simplex Seidenf.	Haka District, Chin State	Daun 101 (K!); Venning 1 (K!)
197	Calanthe tricarinata Lindl.	Sunghku laung	Kingdon-Ward 6817 (K!); s.coll. s.n. (E!)
198	Calanthe trifida Tang & F.T. Wang	Upper Chindwin, Sagaing	Sulay 9045 (K!)
199	Calanthe triplicata (Willem.) Ames	MayMyo Plateau & Mt. Popa, Mandalay; Shan State	Mg Sein 13507 (K!); forest botanist 1554 (K!); Hugh s.n. (K!); Kingdon-Ward 21144 (BM!); Khin Myo Htwe 28 (spirit collection-MBK)
200	Calanthe trulliformis King & Pantl.	Listed as occurrence in Myanmar	Kurzweil and Lwin 2014
201	Calanthe vestita Lindl.	Mon, Tanintharyi	Kress et al. 2003
202	Calanthe whiteana King & Pantl.	Chin; collected place 6.44 km from Kangfang, Myitkyina, Kachin; Magway; Mandalay; Sagaing; Shan	Naw Mu Pa 17417 (K!); Kingdon-ward 1661, 1734 (E!) & (BM!); Farrer 1040 (E!)
203	Callostylis bambusifolia (Lindl.) Chen & Wood	Putao, Kachin	Xiaohua Jin et al. PT-5255 (PE!)
204	Callostylis pulchella (Lindl.) S.C.Chen & Z.H.Tsi	Kachin, Mandalay, Tanintharyi	Kress et al. 2003
205	Callostylis rigida Blume	Myitkyina, Kachin; MayMyo, Mandalay	C.E. Parkinson 2455 (K!); A. Samuel 13528 (K!)
206	Cephalanthera damasonium (Mill.) Druce	Kachin (Upper Burma); Kanpetlet, Chin	Forrest 26554 (E!); Cooper 6122 & 6131 (E!)
207	Cephalanthera pusilla (Hook. f.) Seidenf.	Bago	s.coll. s.n. (K!)
208	Cephalantheropsis halconensis (Ames) S.S.Ying	Putao, Kachin	Ye Lwin Aung PT-7131 (PE!)
209	Cephalantheropsis longipes (Hook. f.) Ormerod	Nam Tamai valley, Putao, Kachin	Kingdon-Ward 13443 (E!) & (BM!); Kate Armstrong 2347 (NY!)
210	Cephalantheropsis obcordata (Lindl.) Ormerod	Chin, Kachin, Magway, Mandalay, Sagaing, Shan	Griffith 5279 (K!); Kingdon-Ward 21635 & 9141 (BM!)
211	Ceratostylis himalaica Hook.f.	Putao, Kachin; Htawgaw, Upper Myanmar	Xiaohua Jin et al. PT-5344 (PE!), Ye Lwin Aung PT-7148 (PE!); Forrest 27015 (K!) & (E!)
212	Ceratostylis pleurothallis (Parish & Rchb. f.) Seidenf.	Kayin, Tanintharyi	s.n. (K!)
213	Ceratostylis radiata J.J. Sm.	Putao, Kachin	Ye Lwin Aung PT-7076 (PE!); Kurzweil & Lwin 2609 (SING, SING[spirit])
214	Ceratostylis subulata Blume	Putao, Kachin	Kate Armstrong 2280 (NY!); Kurzweil & Lwin 2379 (SING [spirit])
215	Cheirostylis chinensis Rolfe	Listed as occurrence in Myanmar	Kurzweil and Lwin 2014
216	Cheirostylis flabellata (A.Rich.) Wight	Mon	Parish 104 & 123 (K!)
217	Cheirostylis griffithii Lindl.	Taunggoo, Bago; Kachin	Parish 236 (K!); Kingdon-Ward 487 (NY!)
218	Cheirostylis montana Blume	Tanintharyi	Kress et al. 2003
219	Cheirostylis pubescens Parish & Rchb. f.	Mon, Tanintharyi	Kress et al. 2003
220	Cheirostylis pusilla Lindl.	Tanintharyi	Kress et al. 2003
221	Cheirostylis spathulata J.J. Sm.	Mindat, Chin; Mt. Popa, Mandalay	Kingdon-Ward 21776 (BM!); Tsujita et al. 036251 (spirit collection-TNS); Khin Myo Htwe 90 (spirit collection-TNS); Tetsuo Ohi-Toma 035000 (MBK)
222	Cheirostylis yunnanensis Lindl.	Tamu-Chipwi New Road, Myitkyina, Kachin	Kermode 16649 (K!)
223	Chiloschista lunifera (Rchb. f.) J.J. Sm.	Kachin, Mandalay; Mawlamyine (Moulmein), Mon; Tanintharyi	Forrest 12326 (E!); Parish 26237 (W!)
224	Chiloschista parishii Seidenf.	Alaungdaw Kathapa National Park, Sagaing	Ye Lwin Aung PT-7398 (PE!)
225	Chiloschista usneoides (D. Don) Lindl.	Mt. Popa, Mandalay	Tsujita et al. 036178 (spirit collection-TNS), Khin Myo Htwe 035053 (MBK)
226	Chrysoglossum assamicum Hook.f.	Putao, Kachin	Xiaohua Jin et al. PT-ET-190 (PE!)
227	Chrysoglossum ornatum Blume	Putao & Nogmung Township, Kachin State	Xiaohua Jin et al. PT-2047, PT-2443 (PE!); Kingdon-Ward 6692 (K)
228	Cleisomeria lanatum (Lindl.) Lindl. ex G. Don	Moulmein, Mon; Tanintharyi	s.coll. s.n. (E!)
229	Cleisomeria pilosulum (Gagnep.) Seidenf. & Garay	Mt. Popa, Mandalay	Khin Myo Htwe 25, 39 (spirit collection-TNS)
230	Cleisostoma appendiculatum (Lindl.) Benth. & Hook. f.	Mon, Tanintharyi	Kress et al. 2003
231	Cleisostoma arietinum (Rchb.f.) Garay	Listed as occurrence in Myanmar	Kurzweil and Lwin 2014
232	Cleisostoma aspersum (Rchb. f.) Garay	Putao, Kachin; Alaungdaw Kathapa National Park, Sagaing	Ye Lwin Aung PT-7413, PT-7041 (PE!)
233	Cleisostoma birmanicum (Schltr.) Garay	Reported from Myanmar	Kress et al. 2003
234	Cleisostoma duplicilobum (J.J. Sm.) Garay	Falam, Chin	Daun 74 (K)
235	Cleisostoma filiforme (Lindl.) Garay	Falam, Chin; Kachin; PyinOoLwin (Maymyo), Mandalay; Tanintharyi	A. Samuel 13509 (K!); Daun 40 (K!); C.T. Bogg B.G. 7 (K!); s.coll. s.n. (E!); McMillen 259 (US)
236	Cleisostoma fuerstenbergianum Kraenzl.	Listed as occurrence in Myanmar	Kurzweil and Lwin 2014
237	Cleisostoma linearilobatum (Seidenf. & Smitinand) Garay	Putao Township, Kachin State	Kurzweil & Lwin 2684 (SING [spirit]), Kurzweil & Lwin 2772 (SING [spirit])
238	Cleisostoma parishii (Hook. f.) Garay	Putao, Kachin; Mon; Tanintharyi	Xiaohua Jin et al. PT-2052 (PE!)
239	Cleisostoma racemiferum (Lindl.) Garay	Mandalay; Kyaikkami(Amherst), Mon; Tanintharyi	R. C. Swinhoe R.123 & 49 (K!)
240	Cleisostoma rolfeanum (King & Pantl.) Garay	Taunggyi, Shan	R. C. Swinhoe R.124 (K!)
241	Cleisostoma rostratum (Lindl.) Garay	Putao, Kachin	Ye Lwin Aung PT-7127 (PE!); McMillen 7 (US)
242	Cleisostoma simondii (Gagnep.) Garay	Reported from Myanmar	Kress et al. 2003
243	Cleisostoma subulatum Blume	Reported from Myanmar	Kress et al. 2003
244	Cleisostoma williamsonii (Rchb. f.) Garay	Mon, Tanintharyi	Kress et al. 2003
245	Coelogyne anceps Hook.f.	Putao, Kachin; Mt. Victoria, Chin	Ye Lwin Aung PT-7033, PT-7153, PT-7575 (PE!)
246	Coelogyne assamica Linden & Rchb.f.	Putao, Kachin	Xiaohua Jin et al. PT-5353 (PE!)
247	Coelogyne barbata Griff.	valley of the Saunghku & Nwai valley, Putao, Kachin	Kingdon-Ward 7423 (K!); Kingdon-Ward 1941 (E!); Kate Armstrong 1914 (NY!)
248	Coelogyne brachyptera Rchb. f.	Mt. Victoria, Chin; Mandalay	Ye Lwin Aung PT-7500, PT-7501, PT-7502 (PE!); R.C.F. Swinhoe 37 (K!)
249	Coelogyne calcicola Kerr	Chin; Myitkyina, Kachin	U Aung Din 2902 (K!)
250	Coelogyne corymbosa Lindl.	Putao & Myitkyina, Kachin; Paunglaung Creek, Nay Pyi Taw-Shan Yoma; Mt. Victoria & Falam, Chin; Feng-Shiling camp, Upper Myanmar	Xiaohua Jin et al. PT-2115, PT-2204, PT-2256, PT-2266 (PE!), Ye Lwin Aung PT-7390, PT-7494, PT-7509, PT-7545 (PE!); Daun 22 (K!); Forrest 26558 (K!) & (US); Kermode 17357 (K!); Farrer 981 (E!); Kingdon-Ward 1569 & 1630 (E!)
251	Coelogyne cristata Lindl.	Shan, Tanintharyi	Kress et al. 2003
252	Coelogyne ecarinata C. Schweinf.	Kachin	Kingdon-Ward 434 (NY!) & (AMES!)
253	Coelogyne fimbriata Lindl.	Putao, Kachin; Paunglaung Creek, Nay Pyi Taw-Shan Yoma; Mandalay	Xiaohua Jin et al. PT-ET 257, PT-5351 (PE!), Ye Lwin Aung PT-7047, PT-7059, PT-7070, PT-7214, PT-7217, PT-7389 (PE!); R.C.F. Swinhoe 90 (K!)
254	Coelogyne flaccida Lindl.	Putao, Kachin; Upper Myanmar; Tanintharyi	Ye Lwin Aung PT-7169, PT-7204 (PE!); F.K.W. 6660 (K!); s.coll. s.n. (K!)
255	Coelogyne fuscescens Lindl.	Putao, Kachin; Kayin; Paunglaung Creek, Nay Pyi Taw-Shan Yoma; Mon; YePhyu, Tanintharyi	Ye Lwin Aung PT-7024, PT-7156, PT-7294, PT-7369, PT-7370, PT-7393 (PE!); Generla Tylter B.G. 21 (K!); Parish 195 (K!)
256	Coelogyne gongshanensis H.Li ex S.C.Chen	Kachin (Upper Burma)	Forrest 26558 (E!) & (NY!); Farrer 889 & 1561 (E!)
257	Coelogyne griffithii Hook.f.	Seinghku-taung, Upper Myanmar	Kingdon-Ward 6730 (K!)
258	Coelogyne holochila P.F. Hunt & Summerh.	Mt. Victoria, Chin	Ye Lwin Aung PT-7558 (PE!); Cuffe 1 (K!)
259	Coelogyne huettneriana Rchb. f.	Mandalay; Moulmein, Mon	Swinhoe s.n. (K!); Parish 143 (K!)
260	Coelogyne lentiginosa Lindl.	Mon; Tanintharyi; Mt. Popa, Mandalay; Southern Shan State	Robertson 137 (K!)
261	Coelogyne leucantha W.W. Sm.	Chin; Kachin; Upper Myanmar; Magway; Mandalay; Sagaing; Shan	Forrest 27098 (K!) & (E!); Kingdon-Ward 1669 (E!)
262	Coelogyne longipes Hook. f.	Putao, Kachin; Inle lake, Taunggyi, Shan	Xiaohua Jin et al. PT-2110, PT-5097 (PE!)
263	Coelogyne magnifica Y.H.Tan, S.S.Zhou & B.Yang	Hponkanrazi Wildlife Sanctuary, Putao Township, Kachin State	Myanmar Exped. 2046 (holotype, HITBC)
264	Coelogyne micrantha Lindl.	Sumprabum & Putao, Kachin; Mt. Victoria, Chin; Mon; Tanintharyi	Xiaohua Jin et al. PT-5273 (PE!), Ye Lwin Aung PT-7014, PT-7026, PT-7210, PT-7572 (PE!); Keenan et al. 3821 (K!) & (E!)
265	Coelogyne nervosa A.Rich.	Mt. Victoria, Chin	Ye Lwin Aung PT-7493, PT-7497, PT-7498 (PE!)
266	Coelogyne nitida Lindl.	Seinghku taung, Myitkyina, Bhamo, Sumprabum, Putao, Kachin; Haka, Chin; Taunggyi, Shan; Moulmein, Mon; YePhyu, Tanintharyi	Xiaohua Jin et al. PT-5272 (PE!), Ye Lwin Aung PT-7136, PT-7362, PT-7364, PT-7591, PT-7175 (PE!); Maung Wy 4991 (K!); F.K.W. 6799 (K!); C.W.D. Kermode 16683 & 17018 (K!); Venning 50 (K!); J. Keenan et al. 3208 (K!); Parish 150 (K!); Forrest 852 (E!), 26567 (E!) & (P!)
267	Coelogyne occultata Hook. f.	Kachin (Upper Myanmar)	Forrest 27060 (K!), (E!) & (NY!); Farrer 1088 (E!); Kingdon-Ward 1767 (E!)
268	Coelogyne ovalis Lindl.	Paunglaung Creek, Nay Pyi Taw-Shan Yoma; Kayin; Mon; Sagaing; Bago; Mandalay	Ye Lwin Aung PT-7368, PT-7381 (PE!)
269	Coelogyne parishii Hook. f.	Thaton, Mon; Thaungyin, Tanintharyi	Baldwin 13568 (K!); Lace s.n. (E!)
270	Coelogyne picta Schltr.	Chin, Kachin, Mandalay, Sagaing	Kress et al. 2003
271	Coelogyne prolifera Lindl.	Putao & Myitkyina, Kachin; Mt. Victoria, Chin; Mandalay; YePhyu, Tanintharyi	Ye Lwin Aung PT-7495, PT-7499, PT-7573, PT-7334, PT-7082 (PE!); Su Lay 10028 (K!); Swinhoe 103 (K!); Cooper 6083 (E!)
272	Coelogyne pulchella Rolfe	Mulayit, East Dawna	s.coll. 13527 (K!); s.coll. s.n. (K!)
273	Coelogyne punctulata Lindl.	Myitkyina & Putao, Kachin; Mogok, Mandalay	Ye Lwin Aung PT-7130, PT-7029, PT-7036 (PE!); Mg Mya BG 15 (K!); Bogg 13513 (K!); Keenan et al. 3208 & 3079 (E!); Kingdon-Ward 17385 & 18463 (NY!)
274	Coelogyne putaoensis X.H.Jin, L.A.Ye & Schuit.	Hponkanrazi Wildlife Sanctuary, Putao Township, Kachin State	Xiaohua Jin et al. PT-2116 (Holotype, PE!)
275	Coelogyne rigida Parish & Rchb. f.	Putao, Kachin; Mon; YePhyu, Tanintharyi	Ye Lwin Aung PT-7106, PT-7357 (PE!); Parish 42 (K!); Kingdon-Ward 20986 & 20650 (BM!)
276	Coelogyne sanderae Kranz.	Chin; Putao, Kachin; Magway; Mandalay; Sagaing; Shan	Xiaohua Jin et al. PT-2546 (PE!), Ye Lwin Aung PT-7018 (PE!)
277	Coelogyne schilleriana Rchb. f.	Reported from Myanmar	Kress et al. 2003
278	Coelogyne schultesii S.K. Jain & S. Das	Mt. Victoria, Kanpetlet, Chin; Myitkyina, Kachin	Ye Lwin Aung PT-7496, PT-7523 (PE!); Dickason 8441 (K!); Kermode 17320 (K!); Kingdon-Ward s.n. (E!); Kingdon-Ward 21816 (BM!)
279	Coelogyne speciosa Lindl.	Bago	Kress et al. 2003
280	Coelogyne stricta (D. Don) Schltr.	Chin, Kachin, Magway, Mandalay, Sagaing, Shan	s.coll. s.n. (K!)
281	Coelogyne suaveolens (Lindl.)	Listed as occurrence in Myanmar	Kurzweil and Lwin 2014
282	Coelogyne tenasserimensis Seidenf.	Mandalay	R.C.F. Swinhoe 99 (K!)
283	Coelogyne testacea Lindl.	Reported from Myanmar	Kress et al. 2003
284	Coelogyne tomentosa Lindl.	Reported from Myanmar	Kress et al. 2003
285	Coelogyne trinervis Lindl.	Kyaingtong (Kengtun), Shan; YePhyu, Tanintharyi; Dawna hills-Tenesserim hills, Kyaikkami (Amherst) & Moulmein, Mon	Ye Lwin Aung PT-7359 (PE!); A.F.G. Kerr s.n. (K!); Myron Kimnach 57.268-1 (K!); G.E.R. Cooper 1701 (K!); Bogg B.G. 19 (K!); Keenan et al. 5466 (E!)
286	Coelogyne triplicatula Rchb.f.	Dawna Hill, Kayin; Moulmein, Mon	G.E.R. Cooper & C.E. Parkinson 6404 (K!); Parish 160 (K!)
287	Coelogyne ustulata Parish & Rchb. f.	Putao, Kachin; Mandalay; Mon; Tanintharyi	Ye Lwin Aung PT-7141 (PE!); Parish 174 (K!); Daun 27 (K!)
288	Coelogyne victoria-reginae Q.Liu & S.S.Zhou	Mt. Victoria, Chin	Ye Lwin Aung PT-7546 (PE!); Qiang Liu M17-18 (holotype, HITBC, isotypes, RAF)
289	Coelogyne viscosa Rchb. f.	Mt. Victoria, Chin; Mon; Tanintharyi	R. Unwin 13521 (K!); Parish 252 (K!)
290	Collabium chapaense (Gagnep.) Seidenf. & Ormerod	Listed as occurrence in Myanmar	Kurzweil and Lwin 2014
291	Collabium formosanum Hayata	Putao, Kachin	Ye Lwin Aung PT-7150 (PE!)
292	Corymborkis veratrifolia Blume	Kyaingtong (Kengtun), Shan	Rock 1945 (E!) & (P!) & (US)
293	Cremastra appendiculata (D. Don) Makino	Mt. Victoria, Chin; Putao, Kachin	Xiaohua Jin et al. PT-ET 1095 (PE!); K. Fujikawa et al. 089099 (MBK, spirit collection); N. Tanaka et al. 030828 (MBK)
294	Crepidium acuminatum (D. Don) Szlach.	Putao, Kachin; Mindat, Chin; Mt. Popa, Mandalay; Moulmein, Mon	Xiaohua Jin et al. PT-2092 (PE!); Parish 147 (K!); Kingdon-Ward 22492 (BM!); Khin Myo Htwe 48 (spirit collection-TNS)
295	Crepidium biauritum (Lindl.) Szlach.	Listed as occurrence in Myanmar	Kurzweil and Lwin 2014
296	Crepidium calophyllum (Rchb.f.) Szlach.	Putao, Kachin; Bago; Yangon; Maymyo, Mandalay; Moulmein, Mon	Xiaohua Jin et al. PT-6964 (PE!); A. Samuel 13677 (K!); Parish 191 (K!)
297	Crepidium khasianum (Hook.f.) Szlach.	Chin	Fujikawa et al. 053114 (MBK), Yasuda 060072 (MBK), Tanaka & Yukawa 081194 (MBK), Ling Shein Man et al. 087417 (MBK), Mu Mu Aung et al. 092458 (MBK), Ling Shein Mang 093057 (MBK), Fujikawa et al. 094196 (MBK)
298	Crepidium mackinnoniii (Duthie) Szlach.	Mindat, Chin	Kingdon-Ward 22598 (BM!)
299	Crepidium polyodon (Hook.f.) Szlach.	Mon, Tanintharyi	s.coll. 215 (K!)
300	Crepidium purpureum (Lindl.) Szlach.	Reported from Myanmar	Kress et al. 2003
301	Crepidium szemaoense (Tang & F.T. Wang) Nuammee, Seelanan, Suddee & H.A. Pedersen	Chin	Mu Mu Aung et al. 092359 (MBK)
302	Cryptochilus luteus Lindl.	Putao, Kachin	Xiaohua Jin et al. PT-ET 543 & PT-2267 (PE!); s.coll.s.n. (E!); Kingdon-Ward 20984 (BM!)
303	Cryptochilus roseus (Lindl.) S.C.Chen & J.J.Wood	Putao, Kachin	Xiaohua Jin et al. PT-5282 (PE!), Ye Lwin Aung PT-7170 (PE!)
304	Cryptochilus sanguineus Wall.	Recorded from Myanmar	Kingdon-Ward 12850 (BM!)
305	Cryptochilus strictus (Lindl.) Schuit., Y.P.Ng & H.A.Pedersen	Putao, Kachin	Kate Armstrong 1002 (NY!); Kingdon-Ward 9068 & 13524 (BM!)
306	Cryptostylis arachnites (Blume) Hassk.	Putao, Kachin	Ye Lwin Aung PT-7144, PT-7196 (PE!)
307	Cryptostylis carinata J.J.Sm.	Putao, Kachin	Ye Lwin Aung PT-7071, PT-7100, PT-7113 (PE!)
308	Cylindrolobus biflorus (Griff.) Rauschert	Putao, Kachin; YePhyu & Myeik (Mergui), Tanintharyi	Ye Lwin Aung PT-7328, PT-7286, PT-7200 (PE!); Griffith 830 (K!)
309	Cylindrolobus clavicaulis (Lindl.) Rauschert	Putao, Kachin; Falam, Chin; Arakan Yoma, Rakhine	Xiaohua Jin et al. PT-5266 (PE!); Ye Lwin Aung PT-7096 (PE!); R.C.F. Swinhoe 78 (K!); Daun 39 (K!)
310	Cylindrolobus cristatus (Rolfe) S.C.Chen & J.J.Wood	Putao, Kachin; Mt. Victoria, Chin; Moulmein, Mon	Ye Lwin Aung PT-7157, PT-7503 (PE!); s.coll. s.n. (K!)
311	Cylindrolobus foetidus (Aver.) Schuit., Y.P.Ng & H.A.Pedersen	Putao, Kachin	Ye Lwin Aung PT-7094 (PE!)
312	Cylindrolobus glabriflorus X.H.Jin & J.D.Ya	Hponkanrazi Wildlife Sanctuary, Putao Township, Kachin State	Xiao-Hua Jin, Ji-Dong Ya 18HT1618 (holotype: KUN!)
313	Cylindrolobus marginatus (Rolfe) S.C.Chen & J.J.Wood	Kyaikkahmi (Amherst), Mon	Lace 5644 (E!)
314	Cylindrolobus truncatus (Lindl.) Rauschert	Mon, Tanintharyi	Kress et al. 2003
315	Cymbidium aloifolium (L.) Sw.	Mt. Victoria, Chin; YePhyu, Tanintharyi	Ye Lwin Aung PT-7315, PT-7354, PT-7531 (PE!); Kingdon-Ward 22138 (BM!)
316	Cymbidium bicolor Lindl.	Pantha drainage, Upper Chindwin; Haka & Falam, Chin	Rule s.n. (K!); Glin 5754 (K!); Venning 48 (K!); Daun 66 (K!)
317	Cymbidium cochleare Lindl.	Mt. Victoria, Chin	Ye Lwin Aung PT-7532 (PE!)
318	Cymbidium crassifolium Wall.	Putao, Kachin; Mt. Popa, Mandalay; Alaungdaw Kathapa National Park, Sagaing; Taunggyi, Shan; YePhyu, Tanintharyi	Ye Lwin Aung PT-7401, PT-7438 (PE!); Ye Lwin Aung PT-7295, PT-7297, PT-7445, PT-7602, PT-7184 (PE!)
319	Cymbidium cyperifolium Wall.	Mt. Victoria, Chin; PyinOoLwin (Maymyo), Mandalay	Xiaohua Jin et al. PT-5177 (PE!); R.C.F. Swinhoe 133 (K!)
320	Cymbidium dayanum Rchb. f.	Recorded from Myanmar	Rule s.n. (K!)
321	Cymbidium devonianum Paxton	Kachin	Kingdon-Ward 20808 (BM!); McMillen 200 (US)
322	Cymbidium eburneum Lindl.	Recorded from Myanmar	Kress et al. 2003
323	Cymbidium elegans Lindl.	Putao, Kachin; Falam & Haka, Chin	Forrest 27694 (K!) & (E!); Daun 60 (K!); Venning 55 (K!); Kate Armstrong 2087 (NY!); Kingdon-Ward 21617 (BM!)
324	Cymbidium ensifolium (L.) Sw.	Mt. Popa, Mandalay	Khin Myo Htwe 118 (spirit collection-TNS), Tanaka et al. 036213 (MBK), Tsujita et al. 036209, 036214 (spirit collection-TNS)
325	Cymbidium erythraeum Lindl.	Chin, Kachin, Mandalay, Sagaing	s.coll. s.n. (E!)
326	Cymbidium faberi Rolfe	Mt. Victoria, Chin	Cooper 6017 (E!)
327	Cymbidium finlaysonianum Lindl.	Listed as occurrence in Myanmar	Kurzweil and Lwin 2014
328	Cymbidium hookerianum Rchb. f.	11.27 km from Kangfang, Myitkyina, Kachin	Naw Mu Pa 15503 (K!); Kingdon-Ward 298 (NY!)
329	Cymbidium iridioides D. Don	Recorded from Myanmar	s.coll. s.n. (K!)
330	Cymbidium lancifolium W.J. Hook.	Putao, Kachin; Mt. Victoria, Chin; Kalaw, Shan; Delu valley	Ye Lwin Aung PT-7056, PT-7524 (PE!); Baldworth 13546 (K!); s.coll. 24 (K!); Kingdon-Ward 8491 (K!); Venning 20 (K!); Kingdon-Ward 1933 (E!)
331	Cymbidium lowianum (Rchb. f.) Rchb. f.	Kachin, Yangon	Kingdon-Ward 206 (E!)
332	Cymbidium macrorhizon Lindl.	Chin; Shan; Mt. Popa, Mandalay	Prain 12 (K!); Lace s.n. (E!); Kingdon-Ward 17499 (NY!); Kingdon-Ward 20799 & 22157 (BM!); Tanaka et al. 020495 (MBK), Khin Myo Htwe 58 (spirit collection-TNS)
333	Cymbidium mastersii Griff. ex Lindl.	Recorded from Myanmar	s.coll. s.n. (E!)
334	Cymbidium parishii Rchb. f.	Kayin, Shan, Tanintharyi	s.coll. s.n. (K!)
335	Cymbidium sinense (Jacks.) Willd.	Kachin	Keenan et al. 3301 (E!)
336	Cymbidium suavissimum Sander	Recorded from Myanmar	s.coll. s.n. (K!)
337	Cymbidium tigrinum Parish ex Hook.	Mulayit, Kayin; Dawna, Kyaikkami (Amherst) & Moulmein, Mon; Tanintharyi	Parish 144 (K!); Bogg B.G. 29 (K!); Shwe Nyar Tha 5 (K!)
338	Cymbidium tracyanum Hort.	Chin, Kachin, Shan	Kress et al. 2003
339	Cymbidium wilsonii (Rolfe ex Cook) Rolfe	Kalewa, Sagaing	Prazer s.n. (K!); s.coll. s.n. (E!)
340	Cypripedium guttatum Sw.	Adung valley, Putao, Kachin	Kingdon-Ward 9677 (BM!)
341	Cypripedium himalaicum Rolfe	Adung valley, Putao, Kachin	Kingdon-Ward 9680 (BM!)
342	Cypripedium lichiangense S.C. Chen & Cribb	Recorded from Myanmar	Kingdon-Ward 1643 (E!)
343	Cyrtosia javanica Blume	Putao, Kachin	Xiaohua Jin et al. PT-6334, PT-6262 (PE!); Myanmar Exped. M4012 (HITBC, RAF)
344	Dendrobium acerosum Lindl.	Tanintharyi	Kress et al. 2003
345	Dendrobium acinaciforme Roxb.	Putao, Kachin	Xiaohua Jin et al. PT-5348 (PE!)
346	Dendrobium aduncum Wall. ex Lindl.	Chin; Kachin; Magway; Maymyo, Mandalay; Alaungdaw Kathapa National Park, Sagaing; YePhyu, Tanintharyi	Ye Lwin Aung PT-7448, PT-7273 (PE!); R.C.F. Swinhoe 132 (K!)
347	Dendrobium albosanguineum Lindl. & Paxton	Mon; Rakhine; Tanintharyi; Pyay (Prome), Bago	s.coll. s.n. (K!); Whitin s.n. (US)
348	Dendrobium aloifolium (Blume) Rchb. f.	Reported from Myanmar	Kress et al. 2003
349	Dendrobium amoenum Wall.	Alaungdaw Kathapa National Park, Sagaing	Ye Lwin Aung PT-7405 (PE!); McMillen 197 (US)
350	Dendrobium amplum Lindl.	Putao, Kachin	Ye Lwin Aung PT-7038 (PE!); Kingdon-Ward 21420 (BM!)
351	Dendrobium anceps Sw.	Mandalay; Shan; YePhyu, Tanintharyi	Ye Lwin Aung PT-7285, PT-7287, PT-7342 (PE!)
352	Dendrobium angulatum Lindl.	YePhyu, Tanintharyi; Eastern Tenasserim	Ye Lwin Aung PT-7327 (PE!); A.F.G. Kerr 01001 (K!) & (P!); Peche 612 (BM!)
353	Dendrobium angustifolium (Blume) Lindl.	Putao, Kachin; Tanintharyi	Ye Lwin Aung PT-7132 (PE!)
354	Dendrobium aphrodite Rchb. f.	PyinOoLwin (Maymyo), Mandalay; Mon; Tanintharyi;	Ellison s.n. (K!)
355	Dendrobium aphyllum (Roxb.) Fischer	Mt. Popa & Pyin Oo Lwin (Maymyo), Mandalay; foot of YayTheiChin Hill, Upper Chindwin; Falam & Mindat, Chin; Mawlamyine, Mon	Daun 15 (K!); Glin 5821 (K!); Lace s.n. (E!); Kingdon-Ward 21824 (BM!); Lobb 9 (BM!); Khin Myo Htwe 8 (spirit collection-TNS), Khin Myo Htwe 27 (spirit collection-TNS), Khin Myo Htwe 32 (spirit collection-TNS), Khin Myo Htwe 035054 (MBK)
356	Dendrobium appendiculatum (Blume) Lindl.	Reported from Myanmar	Kress et al. 2003
357	Dendrobium attenuatum Lindl.	Putao, Kachin	Ye Lwin Aung PT-7025 (PE!)
358	Dendrobium bellatulum Rolfe	Mt. Victoria, Chin; Taunggyi & Kalaw, Shan	Ye Lwin Aung PT-7527, PT-7528, PT-7584 (PE!); Baldworth 13545 (K!)
359	Dendrobium bensoniae Rchb. f.	Mt. Victoria, Chin; Bago; Rakhine; Tanintharyi; Yangon; Mt. Popa & Maymyo, Mandalay	Ye Lwin Aung PT-7555, PT-7563 (PE!); A. Samuel 13575 (K!); s.coll. s.n. (K!); Khin Myo Htwe 35 (spirit collection-TNS), Tanaka et al. 036101, 036103 (spirit collection-MBK, TNS), Tanaka et al. 036193 (spirit collection-MBK, TNS),
360	Dendrobium bicameratum Lindl.	Mt. Victoria, Chin; Mandalay; YePhyu, Tanintharyi	Ye Lwin Aung PT-7482, PT-7241 (PE!); R.C.F. Swinhoe 55 & R 126 (K!)
361	Dendrobium brymerianum Rchb. f.	Chin; Putao, Kachin; Magway; Mandalay; Sagaing; Shan	Xiaohua Jin et al. PT-6727 (PE!); s.coll. s.n. (K!); Kingdon-Ward 20759 (BM!)
362	Dendrobium calcariferum Carr	Putao, Kachin	Ye Lwin Aung PT-7087 (PE!)
363	Dendrobium calothyrsos Schltr.	Reported from Myanmar	Kress et al. 2003
364	Dendrobium capillipes Rchb. f.	Haka, Chin; Magway; Mon; Shan; Tanintharyi; Mt. Popa, Mandalay	R.C.F. Swinhoe 43 (K!); Venning 61 (K!); McMillen 203 (US); Khin Myo Htwe 57 (spirit collection-TNS)
365	Dendrobium cariniferum Rchb. f.	Chin; Kachin; Mt. Popa, Mandalay; Alaungdaw Kathapa National Park, Sagaing; Taunggyi, Shan	Ye Lwin Aung PT-7404, PT-7595 (PE!); Kingdon-Ward s.n. (E!); Khin Myo Htwe 95 (spirit collection-TNS), Tanaka et al. 036151 (MBK)
366	Dendrobium chiengmaiense Schuit. & Peter B.Adams	Reported from Myanmar	Kress et al. 2003
367	Dendrobium chrysanthum Lindl.	Chin; Putao, Kachin; Mt. Popa, Mandalay; Taunggyi, Shan	Ye Lwin Aung PT-7105 (PE!); F.G. Dickason 8279 (K!)
368	Dendrobium chryseum Rolfe	Mt. Popa & PyinOoLwin (MayMyo), Mandalay; Alaungdaw Kathapa National Park, Sagaing; YePhyu, Tanintharyi	Ye Lwin Aung PT-7423, PT-7274 (PE!); Cooper 6084 (E!); Khin Myo Htwe 5 (spirit collection-TNS); Maung Sin 13538 (K!)
369	Dendrobium chrysocrepis Parish & Rchb. f. ex Hook. f.	Mon; YePhyu, Tanintharyi	Ye Lwin Aung PT-7310 (PE!)
370	Dendrobium chrysotoxum Lindl.	Mt. Victoria, Chin; Kachin; Magway; Mt. Popa, Mandalay; Alaungdaw Kathapa National Park, Sagaing; Shan; Yangon	Ye Lwin Aung PT-7248, PT-7450, PT-7486, PT-7492, PT-7556, PT-7576, PT-7254 (PE!); Kingdon-Ward 21807 (BM!); McMillen 247 (US); Harrison s.n. (US); Khin Myo Htwe 2 (spirit collection-TNS), Tanaka et al. 036164 (MBK)
371	Dendrobium comatum (Blume) Lindl.	Reported from Myanmar	Kress et al. 2003
372	Dendrobium compactum Rolfe ex W. Hackett	PyinOoLwin (MayMyo), Mandalay	Lace 6282 (K!) & (E!); Swinhoe 70 (K!); Samuel 13515 (K!);
373	Dendrobium conspicuum Bakh.f.	Tanintharyi	Kress et al. 2003
374	Dendrobium convexum (Blume) Lindl.	Reported from Myanmar	Kress et al. 2003
375	Dendrobium crepidatum Lindl.	Chin, Kachin, Mandalay, Sagaing, Shan, Mt. Popa of Madalay Region	Ye Lwin Aung PT-7366, PT-7377, PT-7380, PT-7382, PT-7387, PT-7463, PT-7488, PT-7580 (PE!); s.coll. s.n. (NY!); Tanaka et al. 036184, 036186 (MBK), Khin Myo Htwe 19 (spirit collection-TNS)
376	Dendrobium cruentum Lindl.	Tanintharyi	Kress et al. 2003
377	Dendrobium crumenatum Sw.	Tanintharyi	Griffith 5149 (P!); s.coll. s.n. (NY!)
378	Dendrobium crystallinum Rchb. f.	Mt. Popa, Mandalay; Mon; Rakhine; Shan; Tanintharyi	Abdul Khalil s.n. (BM!) & (L!) & (P!); Khin Myo Htwe 3 (spirit collection-TNS), Khin Myo Htwe 21 (spirit collection-TNS)
379	Dendrobium cumulatum Lindl.	Chin; Kachin; Mandalay; Sagaing; Dawei (Tavoy), Tanintharyi	Keenan et al. 1620 (E!)
380	Dendrobium curviflorum Rolfe	Putao, Kachin; PyinOoLwin (MayMyo), Mandalay	Qiang Liu 440 (HITBC!); Swinhoe B.G. 2 (K!); Mg Sein 13503 (K!)
381	Dendrobium cuspidatum Lindl.	Dawei (Tavoy), Tanintharyi	Swinhoe 64 (K!); Keenan et al. 5309 (E!); Lobb 406 (BM!)
382	Dendrobium dantaniense Guillaumin	Mt. Popa, Mandalay	Khin Myo Htwe 53, 54 (spirit collection-TNS), Tanaka et al. 036154 (MBK)
383	Dendrobium delacourii Guill.	Mt. Popa & PyinOoLwin (Maymyo), Mandalay; Thayet, Magway; Mon; Rakhine; Tanintharyi	Lace 6262 & 6357 (E!); Buchanan-Hamilton s.n. (BM!); Khin Myo Htwe 36 (spirit collection-TNS)
384	Dendrobium denneanum Kerr	Recorded from Myanmar	F.G. Dickason 8365 (K!)
385	Dendrobium densiflorum Lindl. ex Wall.	Paunglaung Creek, Nay Pyi Taw-Shan Yoma; Alaungdaw Kathapa National Park, Sagaing; Taunggyi, Shan; YePhyu, Tanintharyi; Bamaw, Kachin; Pyin Oo Lwin, Mandalay	Ye Lwin Aung PT-7367, PT-7451, PT-7590, PT-7272 (PE!); Parkinson 8722 (RAF!); U Tha Hla 1939 (RAF!)
386	Dendrobium denudans D. Don	Mt. Victoria, Chin; Kachin; Alaungdaw Kathapa National Park, Sagaing	Ye Lwin Aung PT-7402, PT-7409, PT-7476 (PE!); Kingdon-Ward 108 (NY!)
387	Dendrobium devonianum Paxton	Chin; Kachin; Kayin; Kadaik, Thaton, Mon; Homalin stream, Upper Chindwin & Katha District, Sagaing; Tanintharyi	Glin 6575 (RAF!); Sou Po Chin 5842 (RAF!); AR 492 (RAF!)
388	Dendrobium dickasonii L.O. Williams	Mt. Victoria, Haka & Falam, Chin; Taunggyi, Shan; YePhyu, Tanintharyi; Madalay	Ye Lwin Aung PT-7474, PT-7585, PT-7261 (PE!); Daun 21 (K!); R.C.F. Swinhoe 36 (K!); Venning 60 (K!); Hildebrand D (K!); Dickason 8756 & 7779 (AMES!); Kingdon-Ward 22222 (BM!); Kingdon-Ward 22244 (BM!)
389	Dendrobium dixanthum Rchb. f.	Bhamo, Kachin; Mon; Tanintharyi	Bogg 13534 (K!); Swinhoe R 128 (K!)
390	Dendrobium draconis Rchb. f.	Mt. Victoria, Chin; Mt. Popa, Mandalay; Alaungdaw Kathapa National Park, Sagaing	Ye Lwin Aung PT-7394, PT-7561 (PE!), Khin Myo Htwe 34 (spirit collection-TNS)
391	Dendrobium ellipsophyllum Tang & F.T. Wang	Mandalay	R.C.F. Swinhoe 60 (K!); s.coll. s.n. (K!)
392	Dendrobium eriiflorum Griff.	Putao, Kachin; Chin; Paunglaung Creek, Nay Pyi Taw-Shan Yoma; Mandalay; Myaukhlaing reserve, Insein, Yangon	Xiaohua Jin et al. PT-5288 (PE!), Ye Lwin Aung PT-7378 (PE!); Swinhoe 84 (K!); Po Khant 696 (RAF!); Mokim s.n. (BM!)
393	Dendrobium falconeri Hook.	Chin; Kachin; Sagaing; Taunggyi, Shan	Ye Lwin Aung PT-7587 (PE!); s.coll.s.n. (E!); Kingdon-Ward 20951 (BM!)
394	Dendrobium farmeri Paxton	Mon, Tanintharyi	Kress et al. 2003
395	Dendrobium fimbriatum Hook.	Chin; valley of the Seinghku, Putao, Kachin; Kayah; Mon; Rakhine; Sagaing; YePhyu, Tanintharyi; Yangon	Xiaohua Jin et al. PT-2019 (PE!); Ye Lwin Aung PT-7317, PT-7318 (PE!); Kingdon-Ward 7256 (K!)
396	Dendrobium findlayanum Parish & Rchb. f.	Shan, Yangon	Parish 192 (K!); Hallowell s.n. (US)
397	Dendrobium finetianum Schltr.	Putao, Kachin	Ye Lwin Aung PT-7119, PT-7182, PT-7201 (PE!)
398	Dendrobium formosum Roxb. ex Lindl.	Chin, Kachin, Bago, Mon, Rakhine, Sagaing, Tanintharyi, Yangon	Wallace 136 (BM!); s.coll. s.n. (K!); Mokim S 634 (L!)
399	Dendrobium fugax Rchb.f.	Listed as occurrence in Myanmar	Kurzweil and Lwin 2014
400	Dendrobium fuscescens Griff.	valley of the Seinghku, Putao, Kachin	Kingdon-Ward 7623 (K!); Kate Armstrong 2130 (NY!)
401	Dendrobium fytchianum Bateman	Mon; Nothern Bago (Pegu); Rakhine; Tanintharyi; Nyanglepin reserve, Taikkyi range, Insein, Yangon	C.W.D. Kermode 16760 (K!); Ba Pe 340 (RAF!)
402	Dendrobium gibsonii Paxt.	Putao, Kachin; Shan; Bago; Mandalay; Myeik (Mergui), Tanintharyi	Xiaohua Jin et al. PT-2085 (PE!); Griffith 1040 (K!); Kaulback 123, 124 & 387 (BM!); Kingdon-Ward 21205 (BM!)
403	Dendrobium grande Hook.f.	Tanintharyi	Helfer 5065 (K!)
404	Dendrobium gratiosissimum Rchb. f.	Mon, Tanintharyi	R.C.F. Swinhoe R 107 (K!)
405	Dendrobium griffithianum Lindl.	YePhyu, Tanintharyi	Ye Lwin Aung PT-7249, PT-7321 (PE!); Griffith 1038 (P!)
406	Dendrobium hancockii Rolfe	Recorded from Myanmar	Forrest 29786 (BM!)
407	Dendrobium harveyanum Rchb. f.	Mt. Victoria, Chin; Mt. Popa, Mandalay	Ye Lwin Aung PT-7456, PT-7457, PT-7483, PT-7487 (PE!)
408	Dendrobium hendersonii A.D. Hawkes & A.H. Heller	Reported from Myanmar	Kress et al. 2003
409	Dendrobium hercoglossum Rchb.f.	Listed as occurrence in Myanmar	Kurzweil and Lwin 2014
410	Dendrobium heterocarpum Wall.	Chin; Kachin; Magway; Mt. Popa, Mandalay; Sagaing; Shan	Mokim s.n. (P!); Khin Myo Htwe 75 (spirit collection-MBK)
411	Dendrobium hirtulum Rolfe	Haka, Chin	Daun 26 (K!); s.coll. s.n. (K!)
412	Dendrobium hkinhumense Ormerod & Kumar	Kachin	Kingdon-Ward 21198 (BM!)
413	Dendrobium hookerianum Lindl.	Mindat, Chin; Putao, Kachin	Xiaohua Jin et al. PT-ET 487, PT-ET 669 (PE!); Farrer 1089 (RAF!); Kingdon-Ward 1776 (E!); Kingdon-Ward 21777 & 21333 (BM!)
414	Dendrobium hymenanthum Rchb. f.	Reported from Myanmar	Kress et al. 2003
415	Dendrobium incurvum Lindl.	Putao, Kachin; Shan; YePhyu, Tanintharyi	Ye Lwin Aung PT-7280, PT-7021, PT-7030, PT-7054, PT-7060, PT-7163, PT-7277 (PE!); Parish 176 (K!)
416	Dendrobium indivisum (Blume) Miq.	Kayin, Mon, Rakhine, Sagaing, Tanintharyi	Kerr 1002 (P!)
417	Dendrobium indragiriense Schltr.	YePhyu, Tanintharyi	Ye Lwin Aung PT-7331 (PE!)
418	Dendrobium infundibulum Lindl.	Mt. Victoria, Falam & Haka, Chin; Kayah; Kayin; Magway; Mandalay; Kyaikkami(Amherst), Mon; Rakhine; Shan	Xiaohua Jin et al. PT-5169 (PE!); J.H. Lace 6294 (K!); Daun 9 (K!); Po Khant 2408 (RAF!); Unwin 3002 & 3077 (E!); Kingdon-Ward 21999 (BM!)
419	Dendrobium jenkinsii Wall. ex Lindl.	Alaungdaw Kathapa National Park, Sagaing; PyinOoLwin (Maymyo), Mandalay; YePhyu, Tanintharyi	Ye Lwin Aung PT-7396, PT-7403, PT-7298 (PE!); A. Samuel 13535 (K!)
420	Dendrobium kentrophyllum Hook. f.	Tanintharyi	Kress et al. 2003
421	Dendrobium koyamae Nb. Tanaka, T. Yuakawa & J. Murata	Mt. Victoria, Chin	Nobuyuki Tanaka et al. 20040042 (holotype-MBK, spirit collection)
422	Dendrobium lamellatum (Blume) Lindl.	Mon, Tanintharyi	Kress et al. 2003
423	Dendrobium lasioglossum Rchb. f.	Reported from Myanmar	Kress et al. 2003
424	Dendrobium laterale L.O. Williams	Haka, Chin	Venning 7 (K!); Dickason 7359 & 7378 (AMES!)
425	Dendrobium leucochlorum Rchb. f.	Mon, Tanintharyi	Kress et al. 2003
426	Dendrobium lindleyi Steud.	Kachin; Kayin; Mandalay; Mon; Rakhine; Sagaing; Shan; Tanintharyi; Yangon; Tamon reserve, Taunggoo, Bago	Ba Pe 9391 (RAF!); Griffith 1014 (P!)
427	Dendrobium lituiflorum Lindl.	Reported from Myanmar	Kress et al. 2003
428	Dendrobium longicornu Lindl.	Putao, Kachin; Mt. Victoria & Haka, Chin; Paunglaung Creek, Nay Pyi Taw-Shan Yoma; YePhyu, Tanintharyi	Xiaohua Jin et al. PT-ET 801, PT-2102, PT-2402, PT-5196 (PE!), Ye Lwin Aung PT-7031, PT-7195, PT-7339, PT-7363, PT-7376, PT-7562 (PE!); Venning 2 (K!); Kingdon-Ward 5505 & 3531 (E!); Kate Armstrong 1911 (NY!)
429	Dendrobium luteolum Bateman	Chin, Mon, Tanintharyi	s.coll. s.n. (K!)
430	Dendrobium macraei Lindl.	Putao, Kachin	Xiaohua Jin et al. PT-2499 (PE!)
431	Dendrobium macrostachyum Lindl.	Kyaukpadaung Township, Mandalay Region	Saw Lwin MPO 050 (SING, SING [spirit])
432	Dendrobium mannii Ridl.	Mandalay	R.C.F. Swinhoe 3 (K!)
433	Dendrobium marmoratum Rchb. f.	Reported from Myanmar	Kress et al. 2003
434	Dendrobium minutiflorum Kraenzl.	Putao, Kachin	Xiaohua Jin et al. PT-5287, PT-5352 (PE!)
435	Dendrobium moniliforme (L.) Sw.	Mt. Victoria, Chin; Lukpyi-Kyanyingu Rd, Myitkyina & Putao, Kachin	Ye Lwin Aung PT-7544 (PE!); Xiaohua Jin et al. PT-6142 (PE!); C.W.D. Kermode 17123 (K!); Farrer 853 (E!); Kingdon-Ward 22139 (BM!)
436	Dendrobium monticola P.F.Hunt & Summerh.	Putao, Kachin	Qiang Liu 307 (HITBC!)
437	Dendrobium moschatum (Buch.-Ham.) Sw.	Ayeyarwaddy; Bago; Chin; Kayin; Mt. Popa, Mandalay; Magway; Mon; Rakhine; Shan; Tanintharyi; Yangon	Buchanan-Hamilton s.n. (BM!); Tanaka et al. 036153 (MBK)
438	Dendrobium nathanielis Rchb. f.	Mon, Shan, Tanintharyi	Maung Hla 3672 (K!); Kurz 360 (BM!)
439	Dendrobium naungmungense Q.Liu & X.H.Jin	Naungmung Township, Putao County, Kachin State	Xiaohua Jin et al. PT-ET 133, PT-ET 1232 (PE!); Qiang Liu 430 (Holotype, HITBC)
440	Dendrobium nobile Lindl.	Chin; Putao, Kachin; Sagaing	Ye Lwin Aung PT-7091 (PE!); Forrest 26605 (E!) & (US); Kingdon-Ward 1553 (E!); McMillen 204 (US)
441	Dendrobium numaldeorii C. Deori, Hynn. & Phukan	Chipwi Township, Kachin State	Kingdon-Ward 108 (AMES, NY)
442	Dendrobium ochreatum Lindl.	Mt. Victoria & Falam, Chin; Mt. Popa, Mandalay	Ye Lwin Aung PT-7455, PT-7473, PT-7481, PT-7484, PT-7491 (PE!), Tanaka et al. 036156 (MBK); Daun 23 (K!)
443	Dendrobium pachyglossum Parish & Rchb. f.	Mon, Tanintharyi, Mandalay	R.C.F. Swinhoe 63 (K!)
444	Dendrobium pachyphyllum (Kuntze) Bakh. f.	Ayeyarwaddy, Bago, Kayin, Mon, Rakhine, Tanintharyi, Yangon	Kress et al. 2003
445	Dendrobium palpebrae Lindl.	Moulmein, Mon	s.coll. s.n. (K!)
446	Dendrobium panduriferum Hook. f.	Bago, Yangon	Kress et al. 2003
447	Dendrobium parcum Rchb. f.	Chin; Kachin; Magway; Mt. Popa, Mandalay; Paunglaung Creek, Nay Pyi Taw-Shan Yoma; Sagaing; Shan; Tanintharyi	Ye Lwin Aung PT-7388 (PE!); Swinhoe 92 (K!); Forrest 12608 (E!); Khin Myo Htwe 18 (spirit collection-TNS), Khin Myo Htwe 035056 (MBK);
448	Dendrobium parishii Rchb. f.	Mt. Victoria, Chin; Kachin; Mt. Popa, Mandalay; Alaungdaw Kathapa National Park, Sagaing; Shan; Mon; Tanintharyi	Ye Lwin Aung PT-7447, PT-7554, PT-7540 (PE!), Khin Myo Htwe 7 (spirit collection-TNS), Khin Myo Htwe 30 (spirit collection-TNS)
449	Dendrobium pedilochilum Schltr.	Reported from Myanmar	Kress et al. 2003
450	Dendrobium peguanum Lindl.	Bago, Mon, Tanintharyi	Beddome 8183 (BM!)
451	Dendrobium pendulum Roxb.	Chin, Mon, Rakhine, Shan	Kress et al. 2003
452	Dendrobium plicatile Lindl.	Mt. Victoria, Chin; Mandalay; Alaungdaw Kathapa National Park, Sagaing; Tanintharyi	Ye Lwin Aung PT-7449, PT-7564 (PE!)
453	Dendrobium polyanthum Lindl.	Mt. Popa, Mandalay; Taunggyi, Shan	Ye Lwin Aung PT-7586 (PE!); Kingdon-Ward 22062 (BM!); McMillen 198 (US); Khin Myo Htwe 49 (spirit collection-TNS), Khin Myo Htwe 94 (spirit collection-MBK, TNS)
454	Dendrobium porphyrochilum Lindl.	Kalaw & Taunggyi, Shan	Xiaohua Jin et al. PT-5100 (PE!); Ye Lwin Aung PT-7588, PT-7589 (PE!); Kingdon-Ward 20985 & 22670 (BM!)
455	Dendrobium praecinctum Rchb.f.	Ho Pone Township, Shan State	Xiaohua Jin et al. PT-6738 (PE!); Saw Lwin SL 49 (herbarium of Myanmar Floriculturist Association)
456	Dendrobium praetermissum Seidenf.	Listed as occurrence in Myanmar	Kurzweil and Lwin 2014
457	Dendrobium pulchellum Roxb. ex Lindl.	Bago; Mt. Popa, Mandalay; Rakhine; Tanintharyi; Yangon	Mokim s.n. (BM!); Khin Myo Htwe 11 (spirit collection-TNS), Tanaka 036159 (MBK)
458	Dendrobium pycnostachyum Lindl.	Tanintharyi	Beddome 8124 (BM!)
459	Dendrobium revolutum Lindl.	Recorded from Myanmar	Peche s.n. (BM!)
460	Dendrobium rhodocentrum Rchb. f.	Reported from Myanmar	Kress et al. 2003
461	Dendrobium rotundatum (Lindl.) Hook.f.	Chin; Myitkyina, Kachin	Kermode 17164 (K!); Kingdon-Ward 20686 (BM!)
462	Dendrobium ruckeri Lindl.	Nogmung, Kachin	Kingdon-Ward 6645 (K!);
463	Dendrobium salaccense (Blume) Lindl.	Reported from Myanmar	Kress et al. 2003
464	Dendrobium sarmentosum Rolfe	Recorded from Myanmar	s.coll. s.n. (K!)
465	Dendrobium scabrilingue Lindl.	Bago; Thaton & Moulmein, Mon; Tanintharyi; Ywathit Salween valley, Karmai	Glin 6440 (K!); s.coll. s.n. (K!); Parish 134 (K!)
466	Dendrobium secundum (Blume) Lindl.	Rakhine; Thaungyin, Tanintharyi; Yangon; Mandalay	Bogg 13536 (K!); R.C.F. Swinhoe 26 (K!)
467	Dendrobium senile Parish ex Rchb. f.	Mon, Sagaing	s.coll. s.n. (K!)
468	Dendrobium signatum Rchb. f.	Southern Shan	W. A. Robertson 272 (K!); Hildebrand A, B & C (K!); s.coll. s.n. (K!)
469	Dendrobium spatella Rchb. f.	Chin; Kachin; Magway; Mandalay; Alaungdaw Kathapa National Park, Sagaing; Shan; Thaton, Mon	Ye Lwin Aung PT-7417, PT-7418 (PE!); L. T. Bogg 13553 (K!)
470	Dendrobium strongylanthum Rchb. f.	Recorded from Myanmar	Kingdon-Ward 22843 (BM!)
471	Dendrobium stuposum Lindl.	Moulmein, Mon; Tanintharyi	Parish 358 (K!)
472	Dendrobium sulcatum Lindl.	Mt. Victoria, Chin	Ye Lwin Aung PT-7485 (PE!)
473	Dendrobium sutepense Rolfe ex Downie	Kalaw, Shan	Xiaohua Jin et al. PT-5098 (PE!)
474	Dendrobium terminale Parish & Rchb. f.	Mandalay; Alaungdaw Kathapa National Park, Sagaing; Ye Phyu & Dawei (Tavoy), Tanintharyi	Ye Lwin Aung PT-7323, PT-7421 (PE!); Keenan et al. 5467 (K!); Kerr 1006 (P!)
475	Dendrobium thyrsiflorum Rchb. f.	Mt. Popa, Mandalay	Xiaohua Jin et al. PT-5347 (PE!), Khin Myo Htwe 103 (spirit collection-MBK, TNS)
476	Dendrobium tortile Lindl.	YePhyu, Tanintharyi	Ye Lwin Aung PT-7319 (PE!); Helfer 5050 (K!)
477	Dendrobium transparens Wall.	Bago; Mt. Victoria, Chin; Putao, Kachin; PyinOoLwin (Maymyo), Mandalay; Taunggyi, Shan	Xiaohua Jin et al. PT-2458 (PE!), Ye Lwin Aung PT-7596 (PE!); A. Samuel 13567 (K!); Daun 8 (K!); Cooper 6090 (E!)
478	Dendrobium treutleri (Hook.f.) Schuit. & Adams	Putao, Kachin	Kate Armstrong 1918 (NY!); Kingdon-Ward 21446 (BM!)
479	Dendrobium trigonopus Rchb. f.	Recorded from Myanmar	s.coll. s.n. (K!)
480	Dendrobium unicum Seidenf.	Listed as occurrence in Myanmar	Kurzweil and Lwin 2014
481	Dendrobium venustum Teijsm. & Binn.	Mt. Popa & PyinOoLwin (Maymyo), Mandalay	A. Samuel 13562 (K!); J.H. Lace 6262, 6357 (K!); Tanaka et al. 036163 (MBK)
482	Dendrobium virgineum Rchb. f.	Reported from Myanmar	Kress et al. 2003
483	Dendrobium wardianum Warner	Chin, Rakhine	Kingdon-Ward 21778 (BM!)
484	Dendrobium wattii (Hook. f.) Rchb. f.	Mt. Victoria, Chin	Ye Lwin Aung PT-7475 (PE!); Kimnach B - 16 (US)
485	Dendrobium wightii A.D. Hawkes & A.H. Heller	Sagaing	Kress et al. 2003
486	Dendrobium williamsonii Day & Rchb. f.	Black Rock, Myitkyina & Putao, Kachin; Pyin Oo Lwin, Mandalay; Upper Myanmar	Ye Lwin Aung PT-7135, PT-7028, PT-7133, PT-7137, PT-7155 (PE!); Forrest 26608 (K!), (E!) & (US); Kermode 17330 (K!); Kingdon-Ward 6659 (K!); Tha Hla 1942 (RAF!); Kingdon-Ward 20771 (BM!)
487	Dendrobium xanthophlebium Lindl.	Mon, Tanintharyi	Kress et al. 2003
488	Dendrochilum longifolium Rchb. f.	Kachin, “Birma: Bhamo”	Rchb.f. 13763 W
489	Dendrochilum pallidiflavens Blume	Tanintharyi	Kress et al. 2003
490	Dendrolirium laniceps (Rchb.f.) Schuit., Y.P.Ng & H.A.Pedersen	Kyaikkahmi (Amherst), Mon	Lace 5594 (E!)
491	Dendrolirium lasiopetalum (Willd.) S.C.Chen & J.J.Wood	Putao, Kachin; Mt. Popa, Mandalay; Alaungdaw Kathapa National Park, Sagaing; YePhyu, Tanintharyi	Xiaohua Jin et al. PT-5277 (PE!), Ye Lwin Aung PT-7098, PT-7229, PT-7230, PT-7092, PT-7185, PT-7234, PT-7243, PT-7332, PT-7442, PT-7454 (PE!)
492	Dendrolirium tomentosum (J.Koenig) S.C.Chen & J.J.Wood	Bago, Tanintharyi	Abdul Huk s.n. (BM!)
493	Dickasonia vernicosa L.O.Williams	Kyaukkut Chaung, Falam & Haka, Chin	Venning 4 & 5 (K!); F.G. Dickason 7377 & 7524 (K!), 8576 (K!) & (AMES!) & (US); Daun 13 (K!)
494	Didymoplexis pallens Griff.	Mandalay; YePhyu, Tanintharyi	Ye Lwin Aung PT-7338 (PE!)
495	Dienia cylindrostachya Lindl.	Chin	Kingdon-Ward 9758a (BM!); Matsumoto 053614 (MBK), Mu Mu Aung et al. 092798 (MBK), Fujikawa et al. 094517 (MBK), Fujikawa et al. 094853 (MBK), Thet Yu Nwe TY 61 (RAF)
496	Dienia ophrydis (Koenig) Seidenf.	Mt. Popa, Mandalay; NyaungShwe, Shan	Xiaohua Jin et al. PT-5080 (PE!); Kingdon-Ward 12791 (BM!); Tanaka et al. 036192 (TNS); Khin Myo Htwe 43 (spirit collection-TNS)
497	Diglyphosa latifolia Blume	Putao, Kachin	Xiaohua Jin et al. PT-5236 (PE!)
498	Dilochia subsessilis (Rolfe) S. Thomas	Recorded from Myanmar	s.coll. s.n. (K!)
499	Diplomeris hirsuta (Lindl.) Lindl.	Putao, Kachin	Kingdon-Ward 13089 (BM!)
500	Diplomeris pulchella D. Don	Kachin; Mandalay; Upper Chidwin, Sagaing	Boxall s.n. (K!); Toppin 4226 (E!); Rogers 1024 (E!); Kingdon-Ward 1926 (E!); Keenan et al. 3984 (E!); Kingdon-Ward 9030 (BM!)
501	Diploprora championii Hook. f.	Putao, Kachin; Tanintharyi	Xiaohua Jin et al. PT-ET 1323, PT-ET 1379 (PE!)
502	Diploprora truncata Rolfe ex Downie	Chin	Srisanga et al. 97741 (US)
503	Disperis neilgherrensis Wight	Ywangan, Taunggyi, Shan	Kang et al. 2019 [photographic record from Shan State]
504	Epipactis flava Seidenf.	Pyin Oo Lwin (Maymyo), Mandalay; Muse, Shan	H. Collett s.n. (K!); F.G. Dickason 6122 (Holotype: AMES)
505	Epipactis helleborine (L.) Crantz	Mandalay	Kress et al. 2003
506	Epipactis mairei Schltr.	Upper Myanmar	Kingdon-Ward 1667 (E!)
507	Epipactis royleana Lindl.	Upper Myanmar	Farrer 1078 (E!)
508	Epipogium aphyllum Sw.	Listed as occurrence in Myanmar	Kurzweil and Lwin 2014
509	Epipogium roseum (D. Don) Lindl.	Mt. Popa, Mandalay; Mt. Victoria, Kanpetlet, Chin; Putao, Kachin	Xiaohua Jin et al. PT-6483 & PT-6938 (PE!); Cooper 5951A (E!); Kuroiwa et al. 051335 MBK
510	Eria albiflora Rolfe	Putao, Kachin	Ye Lwin Aung PT-7055, PT-7090, PT-7101 (PE!)
511	Eria clausa King & Pantl.	Putao, Kachin	Ye Lwin Aung PT-7084 (PE!)
512	Eria coronaria (Lindl.) Rchb. f.	Mt. Victoria & Haka, Chin	Ye Lwin Aung PT-7525 (PE!); Venning 54 (K!)
513	Eria javanica (Sw.) Blume	Mon; YePhyu, Tanintharyi	Ye Lwin Aung PT-7262A, PT-7314 (PE!)
514	Eria laniceps Rchb. f.	Tanintharyi	Kress et al. 2003
515	Eria scabrilinguis Lindl.	YePhyu, Tanintharyi	Ye Lwin Aung PT-7353 (PE!)
516	Eria sicaria Lindl.	Tanintharyi	Kress et al. 2003
517	Eria vittata Lindl.	Listed as occurrence in Myanmar	Kurzweil and Lwin 2014
518	Eriodes barbata (Lindl.) Rolfe	Reported from Myanmar	Kress et al. 2003
519	Erythrodes blumei (Lindl.) Schltr.	Putao, Kachin	Xiaohua Jin et al. PT-5354 (PE!)
520	Erythrodes hirsuta (Griff.) Ormerod	Chin	Kress et al. 2003
521	Erythrorchis altissima (Blume) Blume	YePhyu, Tanintharyi	Ye Lwin Aung PT-7268 (PE!)
522	Eulophia andamanensis Rchb. f.	Mon; Tanintharyi; Mt. Popa, Mandalay	Khin Myo Htwe 9 (spirit collection-MBK, TNS), Khin Myo Htwe 035063 (MBK)
523	Eulophia bicallosa (D. Don) P.F. Hunt & Summerh.	Chin, Kachin, Magway, Mandalay, Sagaing, Shan	Kress et al. 2003
524	Eulophia bracteosa Lindl.	Tanintharyi	Kress et al. 2003
525	Eulophia dabia (D. Don) Hochr.	Listed as occurrence in Myanmar	Kurzweil and Lwin 2014
526	Eulophia flava (Lindl.) Hook. f.	PyinOoLwin (Maymyo), Mandalay; Lwelin loihonmein Taung & Taunggyi Reserve, Shan	Maung Po Khant 16310 & 16319 (E!); Lace s.n. (E!)
527	Eulophia graminea Lindl.	Kachin; Tanintharyi; Mt. Popa, Mandalay	Khin Myo Htwe 44, 100 (spirit collection-TNS)
528	Eulophia herbacea Lindl.	Chin; Kachin; Magway; PyinOoLwin (Maymyo), Mandalay; Sagaing; Lwelin lymonmein Taung & Taunggyi Reserve, Shan	Khan 24 (K!); English 160 (E!); Lace s.n. (E!); Maung Po Khant 16307 & 16315 (E!); Abdul Kholil s.n. (BM!)
529	Eulophia macrobulbon (Parish & Rchb. f.) Hook. f.	Kachin; Mt. Victoria & Mindat, Chin; Mon	Cooper 6077 (E!); Kingdon-Ward 22186 (BM!)
530	Eulophia nuda Lindl.	Bago; Mt. Popa & PyinOoLwin (Maymyo), Mandalay; Mon; Lwelin Lymon Mein Taung & Taunggyi Reserve, Shan; Tanintharyi	Maung Po Khant 16305 & 16317 (E!); Lace s.n. (E!); Prazer s.n. (E!); Kingdon-Ward s.n. (E!); Kingdon-Ward 22228 & 22207 (BM!); Khin Myo Htwe 107 (spirit collection-MBK)
531	Eulophia promensis Lindl.	Hmaing-Yee, Shan; Bago	Maung Po Khant 16352 (E!)
532	Eulophia pulchra (Thouars) Lindl.	Reported from Myanmar	Kress et al. 2003
533	Eulophia sooi Chun & Tang ex Chen	Listed as occurrence in Myanmar	Kurzweil and Lwin 2014
534	Eulophia zollingeri (Rchb. f.) J.J.Sm.	Mt. Popa, Mandalay	Tanaka et al. 036244 (MBK)
535	Eulophia siamensis Rolfe ex Downie	Mt. Victoria, Chin	X.H. Jin 24553 (PE!)
536	Galearis spathulata (Lindl.) Hunt	Listed as occurrence in Myanmar	Kurzweil and Lwin 2014
537	Galearis tschiliensis (Schltr.) P.J.Cribb, S.W.Gale & R.M.Bateman	Valley of Dichu, Kachin	F.K.W. 7197 (K!)
538	Galearis wardii (W.W. Sm.) Hunt	Nogmung, Kachin; Seinghku taung, Northern Myanmar	Kingdon-Ward 7007 (K!), Kingdon-Ward 9678 (BM)
539	Galeola lindleyana Rchb. f.	Putao, Kachin; Chin	Xiaohua Jin et al. PT-2293 (PE!); Forrest 26846 & 29734 (E!); Farrer 1107 (E!)
540	Galeola nudifolia Lour.	Mon, Tanintharyi	Kress et al. 2003
541	Gastrochilus acutifolius (Lindl.) Kuntze	Reported from Myanmar	Kress et al. 2003
542	Gastrochilus bellinus (Rchb. f.) Kuntze	Recorded from Myanmar	s.coll. s.n. (E!)
543	Gastrochilus calceolaris D. Don	Putao, Kachin; Chin; Rakhine; Tanintharyi; Yangon	Xiaohua Jin et al. PT-6800 (PE!)
544	Gastrochilus distichus (Lindl.) Kuntze	Mt. Victoria, Chin; Kachin	Xiaohua Jin et al. PT-5397 (PE!), Ye Lwin Aung PT-7478 (PE!); Unwin 3068 (E!); Kingdon-Ward 21930 (BM!)
545	Gastrochilus intermedius (Griff. ex Lindl.) Kuntze	Putao, Kachin; Tanintharyi	Xiaohua Jin et al. PT-6917 (PE!)
546	Gastrochilus obliquus (Lindl.) Kuntze	Putao, Kachin; Kyaukme, Shan	Kate Armstrong 2282 & 3077 (NY!); McMillen 144 (US); Wallich 7304 (AMES!)
547	Gastrochilus pechei Schltr.	Mawlamyaing (Moulmein), Mon; Tanintharyi	Peché 40811 (W!); s.coll. s.n. (K!)
548	Gastrochilus platycalcaratus (Rolfe) Schltr.	Upper Myanmar	Sander & Sono 100-09 (K!); s.coll. s.n. (K!)
549	Gastrochilus pseudodistichus (King & Pantl.) Schltr.	Listed as occurrence in Myanmar	Kurzweil and Lwin 2014
550	Gastrochilus sukhakulii Seidenf.	Reported from Myanmar	Kress et al. 2003
551	Gastrodia elata Blume	Listed as occurrence in Myanmar	Kurzweil and Lwin 2014
552	Gastrodia kachinensis X.H.Jin & L.A.Ye	Hponkanrazi Wildlife Sanctuary, Putao Township, Kachin State	Xiaohua Jin et al. PT -6897 (Putao expedition team 6897) (Holotype, PE!)
553	Gastrodia menghaiensis Z.H.Tsi & S.C.Chen	Listed as occurrence in Myanmar	Kurzweil and Lwin 2014
554	Gastrodia putaoensis X.H.Jin	Hkakaborazi National Park, Putao District, Kachin State	Xiaohua Jin et al. PT-2275 (holotype: PE!; isotypes: PE!, IBSC!)
555	Geodorum densiflorum (Lam.) Schltr.	Mt. ZweKaBin, Kayin; Bago; Mt. Popa, Mandalay	Xiaohua Jin et al. PT-2566 (PE!); Kingdon-Ward 17464 (NY!); Tanaka et al. 020328 (MBK)
556	Geodorum eulophioides Schltr.	Mt. Popa, Mandalay	Khin Myo Htwe 55 (spirit collection-TNS), Tsujita 036208 (spirit collection-TNS)
557	Geodorum recurvum (Roxb.) Alston	Kachin; Mt. Popa, Mandalay; Shan	Mokim s.n. (BM!); Tanaka et al. 020437 (MBK); Khin Myo Htwe 41 & 42 (spirit collection-TNS); Khin Myo Htwe 109 (spirit collection-MBK, TNS)
558	Geodorum siamense Rolfe ex Downie	Upper Myanmar	Forrest 9172 (E!); Rogers s.n. (E!)
559	Geodorum terrestre (L.) Garay	PyinOoLwin (Maymyo), Mandalay; Moulmein, Mon	Parish 180 & 275 (K!); Lace s.n. (E!)
560	Goodyera foliosa (Lindl.) Benth. ex C.B.Clarke	Mountain at the East of Fort Hertz, Putao, Kachin	Xiaohua Jin et al. PT-ET 835, PT-ET 841, PT-ET 569, PT-ET 530, PT-2220 (PE!); Kate Armstrong 2094 (NY!); Griffith s.n. (K!); s.coll. s.n. (K!); Kingdon-Ward 10138 & 13271 (BM!)
561	Goodyera fumataThwaites	Keng Tung, Shan	Robertson 306 (K!)
562	Goodyera fusca (Lindl.) Hook.f.	Northeast Upper Myanmar	Forrest 27452 (K!) & (E!) & (BM!)
563	Goodyera hemsleyana King & Pantl.	Chipwi, Kachin	Kingdon-Ward 1897 (E!)
564	Goodyera marginata Lindl.	Recorded from Myanmar	Kingdon-Ward 1879 (E!)
565	Goodyera myanmarica Ormerod & C.S.Kumar	Mountains at the East of Fort Hertz, Putao Township, Kachin State	Kingdon-Ward 7368 (holotype, K)
566	Goodyera pendula Maxim.	Putao, Kachin	Xiaohua Jin et al. PT-ET 842 & PT-2287 (PE!)
567	Goodyera procera Hook.	Bago; Chin; Putao, Kachin; Shan	Xiaohua Jin et al. PT-6401 (PE!); Kingdon-Ward 24127 (E!); Kingdon-Ward 20593 & 11239 (BM!)
568	Goodyera repens (L.) R.Br.	Putao, Kachin	Xiaohua Jin et al. PT-ET 863, PT-2181 (PE!); Kingdon-Ward 13407 & 13161 (BM!)
569	Goodyera schlechtendaliana Rchb. f.	Putao, Kachin	Kate Armstrong 1943 (NY!)
570	Goodyera viridiflora (Blume) Lindl. ex Dietr.	Listed as occurrence in Myanmar	Kurzweil and Lwin 2014
571	Grammatophyllum speciosum Blume	Tanintharyi	Griffith 5318 (P!)
572	Grosourdya appendiculata (Blume) Rchb. f.	Reported from Myanmar	Kress et al. 2003
573	Gymnadenia orchidis Lindl.	Upper Myanmar	Farrer 1118 (E!); Kingdon-Ward 3294 (E!)
574	Habenaria acuifera Wall.	Chin; Shan; Tanintharyi	MacGregor 814 (E!); Prazer 169 (BM!)
575	Habenaria aitchisonii Rchb. f.	Recorded from Myanmar	s.coll. s.n. (E!)
576	Habenaria arietina Hook. f.	Chin, Shan	MacGregor 817 (E!)
577	Habenaria avana Hook. f.	Reported from Myanmar	Kress et al. 2003
578	Habenaria chlorina Parish & Rchb. f.	Yangon; Moulmein, Mon	Parish 124 & 245 (K!)
579	Habenaria commelinifolia Wall.	Kachin; Shan; Yangon	MacGregor 690 (E!); Mokim 131 (US)
580	Habenaria corticicola W.W. Sm.	Reported from Myanmar	Kress et al. 2003
581	Habenaria corymbosa Parish & Rchb. f.	Recorded from Myanmar	Parish 329 (K!)
582	Habenaria delavayi Finet	Reported from Myanmar	Kress et al. 2003
583	Habenaria dentata (Sw.) Schltr.	Chin; Mt. Popa & PyinOoLwin (Maymyo), Mandalay; Kalaw, Shan	Xiaohua Jin et al. PT-5114 (PE!); Lace 4322 (E!); MacGregor 815 (E!); Keenan et al. 1582 (E!); Kingdon-Ward 3556 (E!); Roger 648 (E!); Kingdon-Ward 22707 (BM!); Khin Myo Htwe 71 (spirit collection-MBK, TNS)
584	Habenaria dentirostrata Tang & F.T. Wang	Taunggyigon Reserve, Meikhtila, Mandalay	Maung Tha Myaing 263 (K!) & (E!)
585	Habenaria digitata Lindl.	Mt. Popa, Mandalay; Tanintharyi	Khin Myo Htwe 50 (spirit collection-TNS)
586	Habenaria diphylla (Nimmo) Dalzell	Shan; Dawei (Tavoy), Tanintharyi	MacGregor 681 (E!); Keenan et al. 933, 758 & 905 (E!)
587	Habenaria ditricha Hook. f.	Putao, Kachin; Moulmein, Mon	Lobb 350 (K!); Kate Armstrong 1649 (NY!)
588	Habenaria fulva Tang & F.T. Wang	Reported from Myanmar	Kress et al. 2003
589	Habenaria furcifera Lindl.	Chin, Yangon	Kress et al. 2003
590	Habenaria humidicola Rolfe	Listed as occurrence in Myanmar	Kurzweil and Lwin 2014
591	Habenaria intermedia D. Don	Chin	U Mg Gale-2 & U Chit Ko Ko 5595 (RAF), Yasuda 060067 (MBK), Tanaka & Yukawa 081134 (MBK), Tanaka & Yukawa 081279, 081398 (MBK), Mu Mu Aung et al. 092340 (MBK)
592	Habenaria limprichtii Schltr.	Recorded from Myanmar	Kingdon-Ward 1668 (E!)
593	Habenaria lindleyana Steud.	Reported from Myanmar	Kress et al. 2003
594	Habenaria linearis King & Pantl.	Reported from Myanmar	Kress et al. 2003
595	Habenaria linguella Lindl.	Loilem District, Shan State	Robertson 7 (K)
596	Habenaria lucida Wall. ex Lindl.	Bago, Mon, Tanintharyi, Yangon, Mt. Popa of Mandalay Region	Murata et al. 021000 (MBK), Khin Myo Htwe 61 (spirit collection-TNS)
597	Habenaria malintana (Blanco) Merr.	Mon, Tanintharyi, Mt. Popa of Mandalay Region	Tanaka et al. 020764 (MBK)
598	Habenaria malleifera Hook. f.	Reported from Myanmar	Kress et al. 2003
599	Habenaria mandersii Collett & Hemsl.	Upper Myanmar	Manders s.n. (K!)
600	Habenaria marginata Colebr.	Inle, Shan	Robertson 428 (K!)
601	Habenaria massoniana King & Pantl.	Reported from Myanmar	Kress et al. 2003
602	Habenaria medioflexa Turrill	Mt. Popa, Mandalay	Tanaka et al. 020761 (MBK, TNS)
603	Habenaria mientienensis Tang & F.T. Wang	Sakangyi, Mandalay	Mya 3658 (K!)
604	Habenaria myriotricha Gagnep.	Dawei (Tavoy), Tanintharyi	Keenan et al. 771, 887, 1379 & 841 (E!)
605	Habenaria pantlingiana Kraenzl.	Mindat, Chin; Shan	Kingdon-Ward 22580 (BM!); Seo et al. 100743 (MBK)
606	Habenaria pectinata D. Don	Mindat, Chin; Mandalay	Kingdon-Ward 22357 (BM!)
607	Habenaria plurifoliata Tang & F.T.Wang	Putao, Kachin	Xiaohua Jin Jin-14581 (PE!)
608	Habenaria prazeri King & Pantl.	Reported from Myanmar	Kress et al. 2003
609	Habenaria reflexa Blume	Mt. Popa, Mandalay	Khin Myo Htwe 67 (spirit collection-MBK)
610	Habenaria reniformis (D.Don) Hook.f.	Kyaukpadaung Township, Mandalay Region	Saw Lwin et al. MPO 020 (SING)
611	Habenaria rhodocheila Hance	Mindat & Falam, Chin; Pyin Oo Lwin (Maymyo), Mogok & Mt. Popa, Mandalay	Rodger 201 (K!); Kingdon-Ward 22700 (BM!); Daun 98 (K); Samuel 13582 (K); Khin Myo Htwe 024088A (MBK)
612	Habenaria rostrata Wall. ex Lindl.	Bago, Tanintharyi	Wallich s.n. (GH!) & (P!)
613	Habenaria shweliensis W.W. Sm. & Banerji	Mogok, Mandalay	Rodger 387 (K!); Lace s.n. (E!)
614	Habenaria spatulifolia Parish & Rchb. f.	Tanintharyi	Parish 217 (K!)
615	Habenaria stenopetala Lindl.	Mt. Popa, Mandalay	Khin Myo Htwe 66 (spirit collection-TNS)
616	Habenaria tonkinensis Seidenf.	Putao, Kachin	Xiaohua Jin et al. PT-2545 (PE!)
617	Habenaria trichosantha Wall.	Mon	Kress et al. 2003
618	Habenaria triquetra Rolfe	Reported from Myanmar	Kress et al. 2003
619	Habenaria vidua Parish & Rchb. f.	Mon, Tanintharyi	Parish 223 (K!)
620	Habenaria viridiflora (Rottler ex Sw.) Lindl.	Mt. Popa, Mandalay	Kress et al. 2003
621	Habenaria yomensis Gage	Reported from Myanmar	Kress et al. 2003
622	Habenaria yuana Tang & Wang	Mt. Victoria, Chin; Mt. Popa, Mandalay	Tanaka & Yukawa 081279 (MBK), Khin Myo Htwe 65 (spirit collection-TNS)
623	Hemipilia calophylla Parish & Rchb. f.	Putao, Kachin; PyinOoLwin (Maymyo), Mandalay; Gokteik, Lashio, Shan; Moulmein, Mon	Xiaohua Jin et al. PT-2569 (PE!); s.coll. 13507 (K!); J.H. Lace s.n. (K!); Parish 348 (K!); Kingdon-Ward 22358 (BM!)
624	Hemipilia cordifolia Lindl.	Mt. Victoria & Haka, Chin; Shan	Venning 18 (K!); Cooper 6048 (E!)
625	Hemipilia limprichtii Schltr.	PyinOoLwin (Maymyo), Mandalay	R.C.F. Swinhoe 67 (K!)
626	Herminium edgeworthii (Hook.f. ex Collett) X.H.Jin, Schuit., Raskoti & Lu Q.Huang	Listed as occurrence in Myanmar	Kurzweil and Lwin 2014
627	Herminium elisabethae (Duthie) Tang & F.T.Wang	Listed as occurrence in Myanmar	Kurzweil and Lwin 2014
628	Herminium fallax (Lindl.) Hook.f.	Chin	Yasuda 053610A (MBK), Yasuda 060088 (spirit collection-MBK), Yasuda 053613 (MBK, spirit collection MBK), Mu Mu Aung et al. 092824 (MBK), Fujikawa et al. 094119 (MBK)
629	Herminium forceps (Finet) Schltr.	Shan	Kilgour et al. m-760 (MBK)
630	Herminium kamengense A.N. Rao	Chin	Kress et al. 2003
631	Herminium lanceum (Thunb. ex Sw.) Vuijk	Chin; Kachin; Mt. Popa, Mandalay	Ye Lwin Aung PT-7224 (PE!); Forrest 27084 (E!); Farrer 995 (E!); Kingdon-Ward 1662 (E!); Kingdon-Ward 22612 (BM!); Murata et al. 021048 (MBK)
632	Herminium latilabre (Lindl.) X.H.Jin, Schuit., Raskoti & Lu Q.Huang	Haka, Chin	Venning 62 (K!); Kingdon-Ward 22671 (BM!)
633	Herminium mannii (Rchb.f.) Tang & F.T.Wang	Reported from Myanmar	Kress et al. 2003
634	Herminium souliei (Finet) Rolfe	Shan	Seo et al. 100687 (MBK)
635	Herminium quinquelobum King & Pantl.	Mt. Victoria, Chin	X.H. Jin 24588 (PE!)
636	Herpysma longicaulis Lindl.	Putao, Kachin	Xiaohua Jin et al. PT-ET 215, PT-2075, PT-2263 (PE!); Ye Lwin Aung PT-7039 (PE!); Keenan et al. 3308 (E!); Kate Armstrong 2114 (NY!); Kingdon-Ward 13525 (BM!)
637	Hetaeria affinis (Griff.) Seidenf. & Ormerod	Chin; Kachin; Magway; Mandalay; Uyu, Upper Chindwin, Sagaing; Shan; Thaton, Mon	Lulay 9040 (K!); Lace 4606 (K!)
638	Hetaeria anomala Lindl.	Recorded from Myanmar	Kingdon-Ward 20633 (BM!)
639	Hetaeria finlaysoniana Seidenf.	Listed as occurrence in Myanmar	Kurzweil and Lwin 2014
640	Hetaeria oblongifolia (Blume) Blume	Tanintharyi	Helfer 464 (K!)
641	Holcoglossum amesianum (Rchb. f.) Christenson	Putao, Kachin; Sagaing; Shan; Mt. Popa, Mandalay	Xiaohua Jin et al. PT-5101 (PE!), Khin Myo Htwe 76 (spirit collection-MBK, TNS)
642	Holcoglossum himalaicum (Deb, Sengupta & Malick) Aver.	Putao, Kachin; Valley of the Sunghku, Northernmost Myanmar	Xiaohua Jin et al. PT-2101 (PE!); Kingdon-Ward 7620 (K!); Kingdon-Ward 21528 (BM!)
643	Holcoglossum kimballianum (Rchb. f.) Garay	Chin; Kachin; Taunggyi & Kalaw, Shan	Xiaohua Jin et al. PT-5099 (PE!); Ye Lwin Aung PT-7599, PT-7600 (PE!); s.coll. s.n. (E!)
644	Holcoglossum subulifolium (Rchb. f.) Christenson	Chin, Kachin, Sagaing, Shan	Kress et al. 2003
645	Lecanorchis javanica Blume	Putao, Kachin	Xiaohua Jin et al. PT-ET 1185 B (PE!)
646	Lecanorchis nigricans Honda	Putao, Kachin	Ye Lwin Aung PT-7151 (PE!)
647	Lecanorchis sikkimensis Pearce & Cribb	Putao, Kachin	Xiaohua Jin et al. PT-2091, PT-2109 (PE!)
648	Liparis barbata Lindl.	Lawa, 85.30 km west of Myitkyina & Putao, Kachin	Xiaohua Jin et al. PT-6953 (PE!); H.S.M. Lee 6284 (K!)
649	Liparis bistriata Parish & Rchb. f.	Putao & Myitkyina, Kachin; Tanintharyi	Ye Lwin Aung PT-7074 (PE!); Su Koe 10109 (K!); Parish 80 (K!)
650	Liparis bootanensis Griff.	YePhyu, Tanintharyi	Ye Lwin Aung PT-7352 (PE!); Parish 233 (K!)
651	Liparis cespitosa (Lam.) Lindl.	Putao, Kachin; YePhyu, Tanintharyi	Xiaohua Jin et al. PT-ET 567 (PE!); Ye Lwin Aung PT-7266, PT-7089 (PE!); Kingdon-Ward 3338 & 1771 (E!)
652	Liparis chapaensis Gagnep.	Reported from Myanmar	Kress et al. 2003
653	Liparis condylobulbon Rchb. f.	Mon	Kress et al. 2003
654	Liparis deflexa Hook. f.	Falam & Mindat, Chin; Upper Chindwin, Sagaing	Daun 92 (K!); Lace 4301 (K!) & (E!); Abdul Huk s.n. (K!); Kingdon-Ward 22563 (BM!)
655	Liparis distans C.B.Clarke	border regions of Putao and Nogmung Townships, Kachin State	Xiaohua Jin et al. PT-5270 (PE!), Kurzweil H & Saw Lwin KL 2460 (herbarium of Myanmar Floriculturist Association)
656	Liparis downii Ridl.	Reported from Myanmar	Kress et al. 2003
657	Liparis elliptica Wight	Putao, Kachin	Xiaohua Jin et al. PT-6481 (PE!); Kingdon-Ward 9174, 9127 & 10178 (BM!)
658	Liparis forrestii Rolfe	Reported from Myanmar	Kress et al. 2003
659	Liparis grossa Rchb. f.	Reported from Myanmar	Kress et al. 2003
660	Liparis jovispluvii Parish & Rchb. f.	Mindat, Chin; Mon; Paungdaw Power station, Tanintharyi	Keenan et al. 885 (K!) & (E!); Parish 323 (K!); Kingdon-Ward 22517 & 22466 (BM!)
661	Liparis lacerata Ridl.	Tanintharyi	Griffith 5073 (K!)
662	Liparis luteola Lindl.	Chin, Kachin, Magway, Mandalay, Mon, Sagaing, Shan, Tanintharyi	Kress et al. 2003
663	Liparis mannii Rchb.f.	Putao & Tanai Townships, Kachin State	Xiaohua Jin et al. PT-6295 (PE!); Murata et al. 041223 (MBK)
664	Liparis nervosa (Thunb.) Lindl.	Putao, Kachin; Magway; Mon; Shan; Tanintharyi	Ye Lwin Aung PT-7125, PT-7145 (PE!); s.coll. 01007 (K!);
665	Liparis odorata (Willd.) Lindl.	Mindat, Chin; Kachin; Mandalay; Sagaing; Lwelin Hlaing Hokmein taung, Shan; Tanintharyi	Swinhoe 58 (K!); Mokim 23 (K!) & (BM!) & (US); Parish 317 (K!); Maung Po Khant 16327 & 16350 (E!); Kingdon-Ward 22516 & 22517 (BM!)
666	Liparis petiolata (D. Don) P.F. Hunt & Summerh.	Chipwi Township, Kachin State	Kingdon-Ward 1838 (E!)
667	Liparis plantaginea Lindl.	Nogmung or Putao Township, Kachin State	Kress et al. 2003
668	Liparis popaensis X.H.Jin, A.T.Mu & L.A.Ye	Mt. Popa, Mandalay	Xiaohua Jin et al. 19984 (holotype, PE!; isotype, RAF!)
669	Liparis regnieri Finet	Mt. Popa & PyinOoLwin (Maymyo), Mandalay; Upper Myanmar	Tsujita et al. 036188 (spirit collection-TNS); J.H. Lace s.n. (K!); D. Burlee s.n. (K!); s.coll. 13576 (K!)
670	Liparis resupinata Ridl	Waingmaw Township, Kachin State	Stephen Lasi Bawk Naw BW 32 (herbarium of the Myanmar Floriculturist Association)
671	Liparis siamensis Rolfe ex Downie	Mt. Popa, Mandalay	Ye Lwin Aung PT-7225 (PE!)
672	Liparis stenoglossa Parish & Rchb. f.	Recorded from Myanmar	Parish 154 (K!)
673	Liparis stricklandiana Rchb.f.	Putao, Kachin	Ye Lwin Aung PT-7016, PT-7075, PT-7083 (PE!)
674	Liparis torta Hook. f.	Reported from Myanmar	Kress et al. 2003
675	Liparis tschangii Schltr.	Lwelin Hlaing Hokmein taung, Shan; Pyay, Bago	Maung Po Khant 16326 (E!); Sugawara et al. 036384 (MBK)
676	Liparis viridiflora (Blume) Lindl.	Ayeyarwaddy; Zamani Reserve, Bago; Putao, Kachin; Kayah; Kayin; Mandalay; Mon; Hkamti, Sagaing; Shan; YePhyu, Tanintharyi	Xiaohua Jin et al. PT-5261 (PE!); Ye Lwin Aung PT-7173, PT-7176, PT-7262, PT-7340, PT-7013 (PE!); Lace s.n. (E!); Kate Armstrong 2230 & 3193 (NY!); Kingdon-Ward 288 (NY!); Egerod B-109 (US)
677	Ludisia discolor (Ker Gawl.) Lindl.	Reported from Myanmar	Kress et al. 2003
678	Luisia amesiana Rolfe	Shan	Garden Collector 583 (K!)
679	Luisia brachystachys Blume	Mt. Victoria, Chin; Paunglaung Creek, Nay Pyi Taw-Shan Yoma	Ye Lwin Aung PT-7385, PT-7489, PT-7543 (PE!); Batten s.n. (BM!)
680	Luisia cantharis Rolfe	PyinOoLwin (Maymyo), Mandalay; Shan	Bogg B.G. 8 (K!); s.coll. s.n. (K!)
681	Luisia filiformis Hook.f.	Mt. Victoria, Chin; Alaungdaw Kathapa National Park, Sagaing	Ye Lwin Aung PT-7422, PT-7568 (PE!)
682	Luisia hancockii Rolfe	Putao, Kachin; Alaungdaw Kathapa National Park, Sagaing	Ye Lwin Aung PT-7399, PT-7057 (PE!)
683	Luisia macrotis Rchb.f.	Mt. Popa, Mandalay	Khin Myo Htwe 26 (spirit collection-TNS)
684	Luisia magniflora Tsi & Chen	Listed as occurrence in Myanmar	Kurzweil and Lwin 2014
685	Luisia primulina Parish & Rchb. f.	Moulmein, Mon; Tanintharyi	Peche s.n. (K!)
686	Luisia psyche Rchb. f.	Mon; Tanintharyi; Mt. Popa, Mandalay	Maxwell JF 98- 1303 (L!); s.coll. s.n. (K!); Tanaka et al. 036142 (MBK, spirit collection-TNS), Tsujita et al. 036167 (spirit collection-TNS)
687	Luisia thailandica Seidenf.	Reported from Myanmar	Kress et al. 2003
688	Luisia trichorrhiza (Hook) Blume	PyinOoLwin (Maymyo), Mandalay	A. Samuel 13558 (K!)
689	Luisia volucris Lindl.	Reported from Myanmar	Kress et al. 2003
690	Luisia zeylanica Lindl.	Mt. Popa, Mandalay; Bago; Kachin; Tanintharyi; Yangon	Khin Myo Htwe 17 (spirit collection-TNS), Khin Myo Htwe 035060 (MBK), Tanaka et al. 036242 (spirit collection-MBK, TNS) & 036252 (spirit collection-TNS), Khin Myo Htwe 93 (spirit collection-MBK)
691	Luisia zollingeri Rchb. f.	Reported from Myanmar	Kress et al. 2003
692	Malaxis muscifera (Lindl.) Kuntze	Chin, Tanintharyi	Farrer 1117 (E!); Kingdon-Ward 1769 (E!); Kingdon-Ward 9758 (BM!)
693	Malaxis versicolor (Lindl.) Abeywickr.	Reported from Myanmar	Kress et al. 2003
694	Micropera obtusa (Lindl.) Tang & F.T. Wang	Putao, Kachin; Mon; Tanintharyi	Ye Lwin Aung PT-7053 (PE!)
695	Micropera pallida (Roxb.) Lindl.	Putao, Kachin; Tanintharyi	Xiaohua Jin et al. PT-2072, PT-2378 (PE!); A.F.G. Kerr 01000 (K!) & (P!)
696	Micropera rostrata (Roxb.) N.P. Balakr.	Reported from Myanmar	Kress et al. 2003
697	Micropera secunda (Rolfe) T. Tang & F.T. Wang	Recorded from Myanmar	s.coll. s.n. (K!)
698	Micropera thailandica (Seidenf. & Smitinand) Garay	YePhyu, Tanintharyi	Saw Lwin et al. TNRO 61 (SING, SING [spirit], herbarium of Myanmar Floriculturist Association)
699	Microsaccus griffithii (Parish & Rchb. f.) Seidenf.	Reported from Myanmar	Kress et al. 2003
700	Mycaranthes floribunda (D.Don) S.C.Chen & J.J.Wood	Putao, Kachin; Naga hill, Sagaing; Mandalay	Xiaohua Jin et al. PT-2069 (PE!), Ye Lwin Aung PT-7103, PT-7126 (PE!); D. Prain 67 (K!); Kingdon-Ward 10208 (BM!)
701	Mycaranthes oblitterata Blume	Putao, Kachin	Ye Lwin Aung PT-7081 (PE!)
702	Mycaranthes pannea (Lindl.) S.C.Chen & J.J.Wood	Putao, Kachin; Mt. Victoria, Chin; Upper Myanmar; Tanintharyi	Xiaohua Jin et al. PT-2049 (PE!), Ye Lwin Aung PT-7049, PT-7121, PT-7183, PT-7191, PT-7566 (PE!); Daun 67 (K!); G. Forrest 25121 (K!)
703	Myrmechis drymoglossifolia Hayata	Putao, Kachin	Xiaohua Jin et al. PT-2096 & PT-2224 (PE!)
704	Myrmechis pumila (Hook.f.) Tang & Wang	Laktang, Putao, Kachin	Kingdon-Ward 3337 & 1722 (E!); Kingdon-Ward 21107 (BM!)
705	Neogyna gardneriana (Lindl.) Rchb.f.	Putao, Kachin	Xiaohua Jin et al. PT-ET 1026 (PE!); s.coll. s.n. (E!); Kingdon-Ward 9109 (BM!)
706	Neottia dentata (King & Pantl.) Szlach.	Tama Bum, North Triangle of Kachin State	Kingdon-Ward 21058 (AMES, BM)
707	Neottia flabellata (W.W.Sm.) Szlach.	Valley of the Chawng-maw-hka, Upper Myanmar	Kingdon-Ward 3414 (E!) & (BM!); Kingdon-Ward 21085 (BM!)
708	Neottia karoana Szlach.	Putao & Nogmung, Kachin	Xiaohua Jin et al. PT-2122, PT-2223 (PE!), Kingdon-Ward 9961 (AMES), Kingdon-Ward 3359 (E)
709	Neottia longicaulis (King & Pantl.) Szlach.	Listed as occurrence in Myanmar	Kurzweil and Lwin 2014
710	Neottia pinetorum (Lindl.) Szlach.	Chipwi Township, Kachin State	Kingdon-Ward 1631 & 1652 (E!)
711	Neottia unguiculata (W.W.Sm.) Szlach.	Hpimaw Pass & Laktang, Kachin	Kingdon-Ward 3350 & 1875 (E!)
712	Nephelaphyllum cordifolium (Lindl.) Blume	Nogmung Township, Kachin State	Kingdon-Ward 7314 (K)
713	Nephelaphyllum pulchrum Blume	Kachin	Keenan et al. 3015 (E!)
714	Nephelaphyllum tenuiflorum Blume	Putao, Kachin	Ye Lwin Aung PT-7120 (PE!)
715	Nervilia concolor (Blume) Schltr.	Mt. Popa, Mandalay	Kingdon-Ward 22208 (BM!); Than Than Aye & Khin Myo Htwe 020725 (MBK), Khin Myo Htwe 024044 (MBK)
716	Nervilia juliana (Roxb.) Schltr.	Listed as occurrence in Myanmar	Kurzweil and Lwin 2014
717	Nervilia khasiana (King & Pantl.) Schltr.	Reported from Myanmar	Kress et al. 2003
718	Nervilia macroglossa (Hook. f.) Schltr.	Kachin	Kress et al. 2003
719	Nervilia maculata (Parish & Rchb. f.) Schltr.	PyinOoLwin (Maymyo), Mandalay; Mon; Tanintharyi	Parish 165 (K!); Rodger 572 (E!)
720	Nervilia plicata (Andrews) Schltr.	Mt. Zwekabin, Kayin; Mandalay; Mon; Tanintharyi	Xiaohua Jin et al. PT-2565 (PE!); Kingdon-Ward 486 (NY!); Kingdon-Ward 22166 (BM!)
721	Oberonia acaulis Griff.	Putao, Kachin; YePhyu, Tanintharyi	Xiaohua Jin et al. PT-2028, PT-5252 (PE!); Ye Lwin Aung PT-7347 (PE!); Kingdon-Ward 1862 (E!)
722	Oberonia angustifolia Lindl.	YePhyu, Tanintharyi	Ye Lwin Aung PT-7344 (PE!)
723	Oberonia anthropophora Lindl.	Putao, Kachin; Mt. Victoria, Chin; Dawei (Tavoy), Tanintharyi	Xiaohua Jin et al. PT-5220 (PE!); Ye Lwin Aung PT-7066, PT-7079, PT-7102 (PE!); Keenan et al. 1457 (E!)
724	Oberonia bantaengensis J.J.Sm.	YePhyu, Tanintharyi	Ye Lwin Aung PT-7289 (PE!)
725	Oberonia brachystachys Lindl.	Tanintharyi	s.coll. s.n. (GH!)
726	Oberonia brunoniana Wight	Reported from Myanmar	Kress et al. 2003
727	Oberonia caulescens Lindl.	Valley of Dichu, Kachin	Kingdon-Ward 7169 (K!); Kingdon-Ward 22783 (BM!)
728	Oberonia cavaleriei Finet	Chin, Mon	Kress et al. 2003
729	Oberonia ensiformis Lindl.	Mt. Popa & Headwater of Satthwa Chaung, Mandalay	Maung Hla 3638 (K!); Khin Myo Htwe 74 (spirit collection-TNS)
730	Oberonia evrardii Gagnep.	Shan	MacGregor 822 (E!)
731	Oberonia falcata King & Pantl.	YePhyu, Tanintharyi	Ye Lwin Aung PT-7282 (PE!)
732	Oberonia falconeri Hook. f.	Mt. Victoria, Chin; Alaungdaw Kathapa National Park, Sagaing; PyinOoLwin (Maymyo), Mandalay	Ye Lwin Aung PT-7406, PT-7514 (PE!); A. Samuel 13516 (K!)
733	Oberonia ferruginea Parish	Putao, Kachin; Mandalay; Mon; Tanintharyi	Xiaohua Jin et al. PT-2379 (PE!); s.coll. 288 (K!)
734	Oberonia forcipata Lindl.	Mt. Victoria, Chin	Ye Lwin Aung PT-7511 (PE!)
735	Oberonia gammiei King & Pantl.	Mt. Victoria, Chin	Ye Lwin Aung PT-7510 (PE!)
736	Oberonia griffithiana Lindl.	Putao, Kachin; Bago; Mon; Tanintharyi	Xiaohua Jin et al. PT-2259 (PE!); s.coll. 826 (K!); Griffith 5090 (K!)
737	Oberonia helferi Hook.f.	Tanintharyi	Helfer 5088 (K!)
738	Oberonia heliophila Rchb.f.	YePhyu, Tanintharyi	Ye Lwin Aung PT-7343 (PE!)
739	Oberonia insectifera Hook.f.	Mt. Victoria, Chin	Ye Lwin Aung PT-7513 (PE!)
740	Oberonia jenkinsiana Griff. ex Lindl.	Listed as occurrence in Myanmar	Kurzweil and Lwin 2014
741	Oberonia lycopodioides (Koenig) Ormerod	Tanintharyi	Rottler s.n. (K!)
742	Oberonia mannii Hook. f.	Putao, Kachin	Xiaohua Jin et al. PT-2107, PT-2278 (PE!), Ye Lwin Aung PT-7023 (PE!)
743	Oberonia maxima Parish	Mon; Alaungdaw Kathapa National Park, Sagaing; Tanintharyi	Ye Lwin Aung PT-7446 (PE!); Parish 287 (K!)
744	Oberonia mucronata (D. Don) Ormerod & Seidenf.	Mon, Shan, Tanintharyi	Kress et al. 2003
745	Oberonia obcordata Lindl.	Putao Township, Waingmaw Township, Kachin State	Kurzweil, H. & Saw Lwin KL 2664 (SING), Stephen Lasi Bawk Naw BW 8 (RAF, herbarium of the Myanmar Floriculturist Association).
746	Oberonia pachyrachis Rchb.f. ex Hook.f.	Mt. Victoria, Chin	Ye Lwin Aung PT-7512 (PE!)
747	Oberonia pyrulifera Lindl.	Chin	Kress et al. 2003
748	Oberonia rufilabris Lindl.	Mon, Tanintharyi	Griffith s.n. (P!); s.coll. s.n. (E!)
749	Oberonia seidenfadenii (H.J.Su) Ormerod	Alaungdaw Kathapa National Park, Sagaing	Ye Lwin Aung PT-7414 (PE!)
750	Odontochilus clarkei Hook.f.	Listed as occurrence in Myanmar	Kurzweil and Lwin 2014
751	Odontochilus crispus (Lindl.) Hook.f.	Listed as occurrence in Myanmar	Kurzweil and Lwin 2014
752	Odontochilus elwesii Clarke ex Hook.f.	Listed as occurrence in Myanmar	Kurzweil and Lwin 2014
753	Odontochilus grandiflorus (Lindl.) Benth. ex Hook.f.	Putao, Kachin	Ye Lwin Aung PT-7062 (PE!)
754	Odontochilus lanceolatus (Lindl.) Blume	Myitkyina & Putao, Kachin	Kaulback 75 & 404 (BM!); Kingdon-Ward 13062 & 21255 (BM!)
755	Odontochilus poilanei (Gagnep.) Ormerod	Putao, Kachin	Ye Lwin Aung PT-7063 (PE!)
756	Odontochilus putaoensis X.H. Jin, L.A. Ye & A.T. Mu	Hponkanrazi Wildlife Sanctuary, Putao Township, Kachin State	Xiaohua Jin et al. PT-ET 959 (Holotype, PE!)
757	Odontochilus tortus King & Pantl.	Kachin	Kingdon-Ward 21255 (BM!)
758	Oreorchis aurantiaca Pearce & Gibbs	Kachin	Kingdon-Ward 13334 (BM!)
759	Oreorchis discigera W.W. Sm.	Chin, Kachin, Magway, Mandalay, Sagaing, Shan	Kingdon-Ward 1640 (E!) & (BM!)
760	Oreorchis foliosa (Lindl.) Lindl.	Kachin	Kingdon-Ward 9596 (BM!)
761	Oreorchis micrantha Lindl.	Recorded from Myanmar	Forrest 26809 (E!); Kingdon-Ward 1633 (E!)
762	Oreorchis oligantha Schltr.	Nogmung Township, Kachin State	Kingdon-Ward 7076 (K)
763	Otochilus albus Lindl.	Putao, Kachin; Chin; YePhyu, Tanintharyi	Xiaohua Jin et al. PT-ET 1038 (PE!); Ye Lwin Aung PT-7300, PT-7301 (PE!); Keenan et al. 3556 (E!)
764	Otochilus fusca Lindl.	Putao, Kachin; Chin; Kyaikkami (Amherst), Mon	Ye Lwin Aung PT-7085, PT-7097, PT-7109, PT-7154, PT-7207 (PE!); Forrest 26566 (E!) & (US); Kingdon-Ward 22095 (E!) & (BM!); Lace 5648 (E!); Keenan et al. 3816 (E!)
765	Otochilus lancilabius Seidenf.	Putao, Kachin; Paunglaung Creek, Nay Pyi Taw-Shan Yoma	Ye Lwin Aung PT-7374 (PE!); Xiaohua Jin et al. PT-ET 574 (PE!); Kate Armstrong 1917 (NY!)
766	Otochilus porrectus Lindl.	Mt. Victoria, Chin; YePhyu, Tanintharyi	Ye Lwin Aung PT-7345, PT-7520, PT-7521, PT-7522 (PE!); Kingdon-Ward 9081 & 22245 (BM!)
767	Oxystophyllum carnosum Blume	Mon, Tanintharyi	Kress et al. 2003
768	Pachystoma pubescens Blume	Myitkyina, Kachin	Lace 5237 (E!); Kingdon-Ward 21786 (BM!)
769	Panisea apiculata Lindl.	Mon, Tanintharyi	Kress et al. 2003
770	Panisea demissa (D. Don) Pfitzer	Recorded from Myanmar	Kingdon-Ward 21682 (BM!)
771	Panisea distelidia Lund	Listed as occurrence in Myanmar	Kurzweil and Lwin 2014
772	Panisea tricallosa Rolfe	Putao, Kachin; Mt. Victoria, Chin	Ye Lwin Aung PT-7479 (PE!), Kurzweil & Lwin 2442 (SING [spirit]), Kurzweil & Lwin 2573 (SING)
773	Panisea uniflora (Lindl.) Lindl.	Mon; Mt. Popa, Mandalay; Paunglaung Creek, Nay Pyi Taw-Shan Yoma; YePhyu, Tanintharyi	Ye Lwin Aung PT-7284, PT-7349, PT-7371, PT-7379 (PE!), Tanaka et al. 036190 (MBK, TNS), Tanaka et al. 036185 (spirit collection-TNS)
774	Panisea yunnanensis S.C.Chen & Z.H.Tsi	Mt. Victoria, Chin	Ye Lwin Aung PT-7547 (PE!)
775	Paphiopedilum bellatulum Pfitzer	Meikhtila, Mandalay	Prazer s.n. (K!); Lace s.n. (E!)
776	Paphiopedilum callosum (Rchb.f.) Stein	Listed as occurrence in Myanmar	Kurzweil and Lwin 2014
777	Paphiopedilum charlesworthii (Rolfe) Pfitzer	Shan, Yangon	s.coll. s.n. (K!)
778	Paphiopedilum concolor (Bateman) Pfitzer	Kayin; Kyaikkami (Amherst), Mon; Shan; Tanintharyi	Parish 57 (K!); Bogg B.G. 20 (K!)
779	Paphiopedilum godefroyae (Godef.) Pfitzer	Bago, Kayah, Kayin, Mon, Rakhine, Tanintharyi, Yangon	Kress et al. 2003
780	Paphiopedilum hirsutissimum (Lindl.) Pfitzer	Reported from Myanmar	Kress et al. 2003
781	Paphiopedilum insigne (Wall.) Pfitzer	Chin, Kachin, Mandalay, Sagaing, Shan	Kress et al. 2003
782	Paphiopedilum myanmaricum Koop., Iamwir. & S.Laohap.	Southern Myanmar	Koopowitz et al. 2017
783	Paphiopedilum niveum (Rchb.) Pfitzer	Reported from Myanmar	Kress et al. 2003
784	Paphiopedilum parishii (Rchb.) Pfitzer	Moulmein, Mon; Kalaw, Shan	Parish 198 (K!); Maymyo Botanic Garden 13512 (K!)
785	Paphiopedilum spicerianum (Rchb. f.) Pfitzer	Chin, Kachin	Keenan et al. 3994 (K!) & (E!)
786	Paphiopedilum tigrinum Koop. & Haseg.	Listed as occurrence in Myanmar	Kurzweil and Lwin 2014
787	Paphiopedilum villosum (Lindl.) Pfitzer	Mt. Victoria, Chin; Kachin; Moulmein & Kyaikkami (Amherst), Mon; Sagaing; Tanintharyi	Ye Lwin Aung PT-7526 (PE!); Lobb 179 (K!); Parish 92 (K!); J.H. Lace 5645 (K!) & (E!); Kingdon-Ward 33 (NY!)
788	Paphiopedilum wardii Summerh.	Chin; Putao, Kachin; Mandalay; Sagaing	Xiaohua Jin et al. PT-6388 (PE!); Kingdon Ward 9070 (K!) & (BM!)
789	Papilionanthe biswasiana (Ghose & Mukerjee) Garay	Putao, Kachin	Xiaohua Jin et al. PT-6136 (PE!); Kingdon-Ward 21903 (E!); Kingdon-Ward 21903 (BM!)
790	Papilionanthe sillemiana (Rchb. f.) Garay	Reported from Myanmar	Kress et al. 2003
791	Papilionanthe teres (Roxb.) Schltr.	Mt. Victoria, Chin; thaton, Mon; YePhyu, Tanintharyi	Xiaohua Jin et al. PT-5179 (PE!); Ye Lwin Aung PT-7239, PT-7326 (PE!); Lace s.n. (E!)
792	Papilionanthe uniflora (Lindl.) Garay	Reported from Myanmar	Kress et al. 2003
793	Papilionanthe vandarum (Rchb. f.) Garay	Chin	Srisanga et al. 97605 (US)
794	Pecteilis hawkesiana (King & Pantl.) Sathish Kumar	Upper Myanmar	Prazer s.n. (K!)
795	Pecteilis henryi Schltr.	Naunghkio, Shan	Lace 4854 (K!) & (E!)
796	Pecteilis ophiocephala (W.W.Sm.) Ormerod	Laktang, Kachin State	Kingdon-Ward 3336 (E!);
797	Pecteilis susannae (L.) Raf.	Kachin; Lwelin Loiyang Main Taung & Kyay Si ManSan, Shan; Mt. Popa, Mandalay	Lace 67 (E!); Maung Po Khant 16320 & 16345 (E!); Mokim 91 (E!); Kingdon-Ward 22695 (BM!); Murata et al. 020761 (MBK)
798	Pelatantheria ctenoglossum Ridl.	ALaungdaw Kathapa National Park, Sagaing	Ye Lwin Aung PT-7416 (PE!)
799	Pelatantheria insectifera (Rchb. f.) Ridl.	Bago, Tanintharyi	Kress et al. 2003
800	Pelatantheria rivesii (Guillaumin) Tang & F.T.Wang	ALaungdaw Kathapa National Park, Sagaing	Ye Lwin Aung PT-7411, PT-7420, PT-7426 (PE!)
801	Peristylus affinis (D. Don) Seidenf.	PyinOoLwin (Maymyo), Mandalay	English 160 (E!) & Lace 3227 (E!)
802	Peristylus constrictus (Lindl.) Lindl.	Kachin; Chin; Mt. Popa & PyinOoLwin (Maymyo), Mandalay; Sagaing; Shan; Mon; Dawei (Tavoy), Tanintharyi	Swinhoe 45 (K!); Lace 4907(E!); Keenan et al. 574 & 712 (E!); Mokim 14 & 130 (E!) & (US); Rodger 616 (E!); Kaulback 251 (E!); Maung Po Khant 16313 (E!); Tanaka et al. 020246 (MBK); Khin Myo Htwe 68 (spirit collection-TNS)
803	Peristylus densus (Lindl.) Santap. & Kapad.	Haka, Chin; Loilan, Shan; PyinOoLwin (Maymyo), Mandalay; Moulmein, Mon; Tanintharyi	Venning 58 (K!); Robertson 380 (K!); Lobb 363 (K!); Lace 3227 (K!); MacGregor 821 (E!)
804	Peristylus goodyeroides (D. Don) Lindl.	Mt. Zwekabin, Kayin; Shan; Chin; Mt. Popa & PyinOoLwin (Maymyo), Mandalay; Yangon; Dawei (Tavoy), Tanintharyi	Xiaohua Jin et al. PT-2567 (PE!); Robertson 5 (K!); Daun 93 (K!); Keenan et al. 593 (K!); Lace 4907 & 5297 (E!)
805	Peristylus gracilis Blume	Reported from Myanmar	Kress et al. 2003
806	Peristylus lacertifer (Lindl.) J.J. Sm.	Tanintharyi	Keenan et al. 811, 1028 & 1814 (E!)
807	Peristylus parishii Rchb. f.	Mt. Popa, Mandalay; Shan; Mon	Parish 216 (K!); MacGregor 6802 (E!); Tanaka et al. 036191 (MBK, spirit collection-TNS)
808	Peristylus prainii (Hook. f.) Krzl.	Chin; Kachin; MongPaw Loihka, Shan; PyinOoLwin (Maymyo), Mandalay; Sagaing; Tanintharyi; Yangon; Munghoo & Delu valley, Upper Myanmar	Robertson 361 (K!); Swinhoe 50 (K!); Pantling 167 (K!); Kingdon-Ward 8532 (K!); Lace 3227 (E!)
809	Peristylus tentaculatus (Lindl.) J.J. Sm.	Reported from Myanmar	Kress et al. 2003
810	Peristylus tipulifer (Parish & Rchb. f.) Mukerjee	Dawei (Tavoy), Tanintharyi	Keenan et al. 1191, 1192, 1177, 886 & 985 (E!); Kingdon-Ward 13102 (BM!)
811	Phaius flavus (Blume) Lindl.	Upper Myanmar	Kingdon-Ward 1739 (E!)
812	Phaius mishmensis (Lindl. & Paxton) Rchb. f.	Chin; Putao, Kachin; Mandalay; Sagaing	Xiaohua Jin et al. PT-ET 1185 A, PT-ET 250 (PE!); Boxall s.n. (K!)
813	Phaius nanus Hook.f.	Myitkyina, Kachin	Lace 5236 (E!)
814	Phaius takeoi (Hayata) Su	Taunggyi, Shan State	Nyan Tun s.n. (SING)
815	Phaius tankervilleae (Aiton) Blume	Khaiyang, Upper Myanmar	Kingdon-Ward 17324 (NY!); Griffith 5292 (P!)
816	Phaius wallichii Lindl.	Mt. Popa, Mandalay	Kingdon-Ward 11315 (BM!); Khin Myo Htwe 29 (spirit collection-TNS)
817	Phalaenopsis cornu-cervi (Breda) Blume & Rchb. f.	Mandalay, Tanintharyi, Yangon	Mokim 640 (BM!)
818	Phalaenopsis deliciosa (Rchb. f.) Sweet	YePhyu, Tanintharyi	Ye Lwin Aung PT-7312 (PE!)
819	Phalaenopsis difformis (Wall. ex Lindl.) Kocyan & Schuit.	Putao, Kachin; Mt. Victoria, Chin; PyinOoLwin (Maymyo), Mandalay; Shan; Hkamti, Sagaing; Mon; Dawei (Tavoy), Tanintharyi	Xiaohua Jin et al. PT-5256 (PE!); C.E.P 6155 (K!); Keenan et al. 973 (E!); Kingdon-Ward 1561 (E!); Cooper 6085 (E!); Kate Armstrong 2716 (NY!)
820	Phalaenopsis hygrochila J.M.H.Shaw	Mt. Victoria, Chin; Alaungdaw Kathapa National Park, Sagaing; Taunggyi, Shan	Ye Lwin Aung PT-7400, PT-7560, PT-7597 (PE!); s.coll. s.n. (E!)
821	Phalaenopsis kunstleri Hook.f.	Listed as occurrence in Myanmar	Kurzweil and Lwin 2014
822	Phalaenopsis lobbii (Rchb.) Sweet	Nampakom Drainage, Upper Chindwin; Tanintharyi	Rule(?) 5777 (K!)
823	Phalaenopsis lowii Rchb. f.	Mon, Tanintharyi	Parish 125 (AMES!); s.coll. s.n. (AMES!)
824	Phalaenopsis mannii Rchb.f.	Listed as occurrence in Myanmar	Kurzweil and Lwin 2014
825	Phalaenopsis natmataungensis (T.Yukawa, Nob.Tanaka & J.Murata) Dalstrom & Ormerod	Mt. Victoria, Chin	Yukawa et al. 029689 (Holotype: TNS; Isotype: MBK, TI)
826	Phalaenopsis parishii Rchb.f.	Tanintharyi	Griffith 5236 (K!); Parish 110 (AMES)
827	Phalaenopsis pulcherrima (Lindl.) J.J. Sm.	Reported from Myanmar	Kress et al. 2003
828	Phalaenopsis stobartiana Rchb. f.	Putao, Kachin	Xiaohua Jin et al. PT-2093 (PE!)
829	Phalaenopsis sumatrana Korth. & Rchb.f.	Listed as occurrence in Myanmar	Kurzweil and Lwin 2014
830	Phalaenopsis taenialis (Lindl.) Christenson & U.C. Pradhan	Reported from Myanmar	Kress et al. 2003
831	Pholidota advena Parish & Rchb. f.	Mon; Dawei (Tavoy), Tanintharyi	Parish 296 (K!); Keenan et al. 5348 (E!)
832	Pholidota aidiolepis Seidenf. & de Vogel	Putao, Kachin	Ye Lwin Aung PT-7058 (PE!)
833	Pholidota articulata Lindl.	Putao, Kachin; Mt. Victoria, Chin; Mt. Popa, Mandalay; Paunglaung Creek, Nay Pyi Taw-Shan Yoma; Taunggyi, Shan; Dawei (Tavoy), Tanintharyi	Ye Lwin Aung PT-7069, PT-7086, PT-7138, PT-7386, PT-7533, PT-7548, PT-7549, PT-7550, PT-7581, PT-7582, PT-7583, PT-7534 (PE!); Lugard s.n. (K!); Hooker s.n. (K!); Clarke 11810 (K!); Griffith 5045 (K!); Keenan et al. 1896 (E!); Khin Myo Htwe 24 (spirit collection-TNS), Khin Myo Htwe 45 (MBK), Tanaka et al. 036158 (MBK)
834	Pholidota chinensis Lindl.	below Laugyang (Hlawgaw), Myitkyina, Kachin	Lulay 10016 (K!)
835	Pholidota convallariae (Parish & Rchb. f.) Hook. f.	Putao, Kachin; Mt. Victoria, Chin; Mandalay; Mulayit & W. Dawna, Kayin; Mon; Tanintharyi	Xiaohua Jin et al. PT-5271 (PE!); F.G. Dickason 7479, 8442 & 8602 (K!); R.C.F. Swinhoe 101 & R 119 (K!)
836	Pholidota imbricata Lindl.	Putao, Kachin; Mt. Victoria, Chin; Mt. Popa, Mandalay; Sagaing; Shan; YePhyu, Tanintharyi; Yangon	Xiaohua Jin et al. PT-ET 132 (PE!); Ye Lwin Aung PT-7292, PT-7336, PT-7365, PT-7529 (PE!); Egerod B-20 (US); Rock 7457 (US); Khin Myo Htwe 69 (spirit collection-MBK, TNS)
837	Pholidota missionariorum Gagnep.	Listed as occurrence in Myanmar	Kurzweil and Lwin 2014
838	Pholidota pallida Lindl.	Kyaikkahmi (Amherst), Mon	Kingdon-Ward 20946 (BM!); Lace s.n. (E!)
839	Pholidota protracta Hook. f.	Putao, Kachin; Sagaing	Xiaohua Jin et al. PT-2261, PT-2262 (PE!); Swinhoe K 75 (K!); Kingdon-Ward 21426 (BM!)
840	Pholidota recurva Lindl.	Putao, Kachin; Mt. Victoria, Chin; Paungdaw Power Station, Dawei (Tavoy), Tanintharyi	Xiaohua Jin et al. PT-5276, PT-5382 (PE!), Ye Lwin Aung PT-7017, PT-7108, PT-7122, PT-7574, PT-7078 (PE!); Keenan et al. 5389 (K!) & (E!)
841	Pholidota rubra Lindl.	Chin, Kachin, Mandalay; Sagaing; Kyaikkami (Amherst), Mon	Xiaohua Jin et al. PT-5253, PT-5343 (PE!); Ye Lwin Aung PT-7019 (PE!); Lace s.n. (E!); Kingdon-Ward 10179 & 13509 (BM!)
842	Pinalia acervata (Lindl.) Kuntze	Chin, Mandalay, Tanintharyi	Daun 37 (K!); Forrest 176 (E!)
843	Pinalia affinis (Griff.) Ormerod	Listed as occurrence in Myanmar	Kurzweil and Lwin 2014
844	Pinalia amica (Rchb.f.) Kuntze	Mt. Victoria, Chin; Kachin; Alaungdaw Kathapa National Park, Sagaing; Tanintharyi	Ye Lwin Aung PT-7429, PT-7504, PT-7507, PT-7430, PT-7431, PT-7559 (PE!); R.C.F. Swinhoe K 74 (K!); Kingdon-Ward 1557 (E!)
845	Pinalia apertiflora (Summerh.) A.N.Rao	Listed as occurrence in Myanmar	Kurzweil and Lwin 2014
846	Pinalia bicolor (Lindl.) Kuntze	Mt. Victoria, Chin	Ye Lwin Aung PT-7505 (PE!)
847	Pinalia bractescens (Lindl.) Kuntze	Bhamo, Kachin; Mandalay; Tanintharyi	Swinhoe 20 & 87 (K!); McMillen 248 (NY!) & (US)
848	Pinalia brownei (Braid) Ormerod	Mt. Popa, Mandalay; Alaungdaw Kathapa National Park, Sagaing; Chin	Ye Lwin Aung PT-7444, PT-7466 (PE!); s.coll. s.n. (K!)
849	Pinalia concolor (E.C.Parish & Rchb.f.) Kuntze	Putao, Kachin; Kayin; Mt. Popa, Mandalay; Alaungdaw Kathapa National Park, Sagaing; Taunggyi, Shan; Tanintharyi	Xiaohua Jin et al. PT-5258 (PE!), Ye Lwin Aung PT-7443, PT-7459, PT-7460, PT-7461, PT-7462, PT-7465, PT-7467, PT-7468, PT-7470, PT-7471, PT-7472, PT-7046, PT-7232, PT-7233, PT-7235, PT-7592, PT-7593 (PE!)
850	Pinalia dasypus (Rchb.f.) Kuntze	Upper Myanmar; Tanintharyi	Forrest 26606 (E!); s.n. (K!)
851	Pinalia densa (Ridl.) W.Suarez & Cootes	Tanintharyi	Kress et al. 2003
852	Pinalia eriopsidobulbon (E.C.Parish & Rchb.f.) Kuntze	Mt. Victoria & Haka, Chin; Mt. Popa, Mandalay; Mon; Alaungdaw Kathapa National Park, Sagaing; Tanintharyi	Ye Lwin Aung PT-7408, PT-7432, PT-7433, PT-7434, PT-7435, PT-7464, PT-7469, PT-7508, PT-7567 (PE!); Venning 17 (K!); Parish 281 (K!); C.E. Parkinson 2459 (K!); R.C.F. Swinhoe 56 (K!)
853	Pinalia excavata (Lindl.) Kuntze	Mt. Victoria, Chin	Cooper 6088 (E!)
854	Pinalia floribunda (Lindl.) Kuntze	Dawei (Tavoy), Tanintharyi	Keenan et al. 5021 (E!)
855	Pinalia globulifera (Seidenf.) A.N. Rao	Putao, Kachin; Mt. Popa, Mandalay	Ye Lwin Aung PT-7011, PT-7012, PT-7022, PT-7037 (PE!)
856	Pinalia graminifolia (Lindl.) Kuntze	Upper Myanmar; Kachin	Forrest 26955 & 27242 (K!) & (E!) & (US); Farrer 1109 (E!); Kingdon-Ward 1822 (E!); Forrest 24920 (NY!)
857	Pinalia lineoligera (Rchb.f.) Ormerod	Mogok, Mandalay	Kress et al. 2003
858	Pinalia merguensis Kuntze	YePhyu & Myeik (Mergui), Tanintharyi	Ye Lwin Aung PT-7250, PT-7257, PT-7258 (PE!); Griffith 1034, 5120 & 5381 (K!); Parish 52 (K!)
859	Pinalia myristiciformis (Hook.) Kuntze	Mt. Victoria, Chin; West Dawna, Mon; YePhyu, Tanintharyi	Ye Lwin Aung PT-7541, PT-7251 (PE!); Bogg B.G. 6 (K!); Parish 113 (K!)
860	Pinalia mysorensis (Lindl.) Kuntze	Ayeyarwaddy, Rakhine, Tanintharyi, Yangon	Kress et al. 2003
861	Pinalia obesa (Lindl.) Kuntze	Bago; Thaton & Kyaikkami (Amherst), Mon; Tanintharyi	Swinhoe 81 (K!); Lace 5595 (K!) & (E!)
862	Pinalia ovata (Lindl.) W. Suarez & Cootes	Mt. Victoria, Chin	Ye Lwin Aung PT-7506 (PE!)
863	Pinalia pachyphylla (Aver.) S.C.Chen & J.J.Wood	Putao, Kachin	Xiaohua Jin et al. PT-6173, PT-6934 (PE!)
864	Pinalia praecox (Aver.) Schuit., Y.P.Ng & H.A.Pedersen	Putao, Kachin	Xiaohua Jin et al. PT-6779 (PE!)
865	Pinalia pumila (Lindl.) Kuntze	Mon, Tanintharyi	Kress et al. 2003
866	Pinalia rimannii (Rchb.f.) Kuntze	Reported from Myanmar	Kress et al. 2003
867	Pinalia shanensis (King & Pantl.) Ormerod	Listed as occurrence in Myanmar	Kurzweil and Lwin 2014
868	Pinalia shiuyingiana Ormerod & Wood	Hkrang Hka, Kachin State	Kingdon-Ward 20970 (Holotype: AMES; Isotype: BM[photograph])
869	Pinalia spicata (D.Don) S.C.Chen & J.J.Wood	Putao, Kachin; Bago; Chin; PyinOoLwin (Maymyo), Mandalay; Tanintharyi	Xiaohua Jin et al. PT-5355 (PE!); Bogg B.G. 9 (K!); Kingdon-Ward 1847 (E!)
870	Pinalia stricta (Lindl.) Kuntze	Putao, Kachin; Mon; Sagaing; Tanintharyi	Ye Lwin Aung PT-7072, PT-7104 (PE!)
871	Pinalia sutepensis (Rolfe ex Downie) Schuit., Y.P.Ng & H.A.Pedersen	Mt. Popa, Mandalay	R.C.F. Swinhoe 114 (K!); Khin Myo Htwe 46 (spirit collection-TNS), Tsujita et al. 036172, 036175 (spirit collection-TNS)
872	Pinalia tenuiflora (Ridl.) J.J.Wood	Mon, Tanintharyi	Kress et al. 2003
873	Pinalia trilophota (Lindl. ex Jackson) Ormerod	Listed as occurrence in Myanmar	Kurzweil and Lwin 2014
874	Pinalia xanthocheila (Ridl.) Suarez & Cootes	Recorded from Myanmar	s.n. (K!)
875	Platanthera angustilabris Seidenf.	Listed as occurrence in Myanmar	Kurzweil and Lwin 2014
876	Platanthera bakeriana (King & Pantl.) Kraenzl.	Adung valley, Putao, Kachin	Kingdon Ward 9806 (AMES), Kingdon Ward 9931 (AMES); Kingdon-Ward 9931 (BM!)
877	Platanthera bhutanica K.Inoue	Listed as occurrence in Myanmar	Kurzweil and Lwin 2014
878	Platanthera calceoliformis (W.W.Sm.) X.H.Jin, Schuit. & W.T.Jin	Putao, Kachin	Xiaohua Jin et al. PT-2176, PT-2182 (PE!)
879	Platanthera dulongensis X.H.Jin & Efimov	Putao, Kachin	Xiaohua Jin et al. PT-2222 (PE!)
880	Platanthera leptocaulon (Hook.f.) Soó	Putao, Kachin	Kingdon-Ward 9911 (BM!)
881	Platanthera longibracteata Lindl.	Reported from Myanmar	Kress et al. 2003
882	Platanthera minutiflora Schltr.	Putao, Kachin	Kingdon-Ward 9713 & 9803 (BM!)
883	Platanthera nematocaulon (Hook.f.) Kraenzl.	Listed as occurrence in Myanmar	Kurzweil and Lwin 2014
884	Platanthera orbicularis (Hook.f.) X.H.Jin, Schuit. & Raskoti	Listed as occurrence in Myanmar	Kurzweil and Lwin 2014
885	Platanthera pachycaulon (Hook.f.) Soó	Adung valley, Putao, Kachin	Kingdon Ward 9918 (AMES) & (BM!)
886	Platanthera roseotincta (W.W. Sm.) Tang & Wang	Kachin	Forrest 26959 (K!) & (E!) & (BM!) & (P!); Kingdon-Ward 3376 (E!); Forrest 25036 (E!); Farrer 1150 (E!); Kingdon-Ward 9764 & 9834 (BM!)
887	Platanthera stenantha (Hook.f.) Soo	Putao, Kachin	Forrest 25092 (E!); Farrer 1245 (E!); Kingdon-Ward 1874 (E!); Kingdon-Ward 21458 (BM!)
888	Platanthera superantha (J.J.Wood) X.H.Jin, Schuit., Raskoti & Lu Q.Huang	Upper Myanmar; Kachin	Farrer 1125 (E!); Kingdon-Ward 1816 (E!)
889	Platanthera uniformis Tang & F.T.Wang	Laktang & Putao, Kachin	Farrer 1910 (E!); Kingdon-Ward 3566 & 1902 (E!); Kate Armstrong 1969 (NY!)
890	Platanthera urceolata (Hook.f.) Bateman	Putao, Kachin; valley of Seinghku, Upper Myanmar	Xiaohua Jin et al. PT-2225 (PE!); Kingdon-Ward 7524 (K!); Farrer 1314 (E!); Kingdon-Ward 21427 (E!); Kingdon-Ward 9949, 21427 & 13445 (BM!)
891	Pleione albiflora Cribb & C.Z. Tang	Reported from Myanmar	Kress et al. 2003
892	Pleione forrestii Schltr.	Chin, Kachin, Sagaing, Shan	Forrest 26656 (NY!) & (BM!) & (P!); Kingdon-Ward 443 (NY!)
893	Pleione grandiflora (Rolfe) Rolfe	Recorded from Myanmar	Rock 7512 (US)
894	Pleione hookeriana (Lindl.) B.S. Williams	Reported from Myanmar	Kress et al. 2003
895	Pleione humilis (J.E. Sm.) D. Don	Putao, Kachin; Mt. Victoria, Chin	Xiaohua Jin et al. PT-ET 862, PT-2120, PT-2265 (PE!); Ye Lwin Aung PT-7515 (PE!); Kingdon-Ward 21966 (BM!)
896	Pleione limprichtii Schltr.	Chin	Kress et al. 2003
897	Pleione maculata (Lindl.) Lindl.	Putao, Kachin; Chin; Yangon	Keenan et al. 3367 (E!); Kate Armstrong 2172 (NY!); Kingdon-Ward 21515 (BM!)
898	Pleione praecox (J.E. Sm.) D. Don	Putao, Kachin; Mt. Victoria, Chin	Xiaohua Jin et al. PT-5205 (PE!); Ye Lwin Aung PT-7490 (PE!); Kate Armstrong 1910 (NY!); s.coll. s.n. (E!); Kingdon-Ward 21508 (BM!)
899	Pleione scopulorum W.W. Sm.	Putao, Kachin	Xiaohua Jin et al. 10951 (PE!); Kingdon-Ward 9541 & 21065 (BM!)
900	Pleione yunnanensis (Rolfe) Rolfe	Kachin	Farrer 849 (E!)
901	Podochilus cultratus Lindl.	Putao, Kachin; Mon; Tanintharyi	Xiaohua Jin et al. PT-ET 135 (PE!), Xiaohua Jin et al. PT-5350 (PE!)
902	Podochilus khasianus Hook. f.	Putao, Kachin; Bago; Mon	Xiaohua Jin et al. PT-ET 1233, PT-5249 (PE!), Ye Lwin Aung PT-7172 (PE!)
903	Podochilus lucescens Blume	Tanintharyi	Kerr 1004 (P!)
904	Podochilus microphyllus Lindl.	Tanintharyi	Kress et al. 2003
905	Pogonia yunnanensis Finet	Nogmung, Kachin	Kingdon-Ward 9766 (BM!)
906	Polystachya concreta (Jacq.) Garay & Sweet	Mt. Popa, Mandalay	Tanaka et al. 036162 (MBK)
907	Pomatocalpa diffusum Breda	Recorded from Myanmar	Griffith 5235 (P!)
908	Pomatocalpa spicatum Breda, Kuhl & Hasselt	Tanintharyi	Kress et al. 2003
909	Ponerorchis chusua (D.Don) Soó	Myitkyina, Kachin; Seinghku taung, Northern Myanmar	Kingdon-Ward 7060 & 7230 (K!); Naw Mu Pa 17425 (K!); Farrer 1119 (E!); Kingdon-Ward 3448 (E!); Kingdon-Ward 9835 (BM!)
910	Ponerorchis monantha (Finet) X.H. Jin, Schuit. & W.T. Jin	Kachin	Kingdon-Ward 21604 (AMES)
911	Ponerorchis puberula (King & Pantl.) Verm.	Putao, Kachin	Kingdon-Ward 9826 & 21064 (BM!)
912	Ponerorchis secundiflora (Kraenzl.) X.H.Jin, Schuit. & W.T.Jin	Recorded from Myanmar	Kingdon-Ward 9978 (AMES!)
913	Ponerorchis tibetica (Schltr.) X.H.Jin, Schuit. & W.T.Jin	Kachin	Forrest 26907 & 24656 (E!) & (US); Forrest 26907 (P!)
914	Porpax conica (Summerh.) Schuit., Y.P.Ng & H.A.Pedersen	Recorded from Myanmar	Parkinson 5288 (AMES)
915	Porpax dickasonii (Ormerod) Schuit., Y.P.Ng & H.A.Pedersen	Haka District, Chin State	F.G. Dickason 7359 (Holotype: AMES)
916	Porpax elwesii (Rchb.f.) Rolfe	Thet Kal Kwet, YePhyu, Tanintharyi	Tanaka et al. MY1731 & MY1732 (RAF, TNS)
917	Porpax extinctoria (Lindl.) Schuit., Y.P.Ng & H.A.Pedersen	Mon; Tanintharyi	R.C.F. Swinhoe R 114 (K!)
918	Porpax gigantea Deori	Listed as occurrence in Myanmar	Kurzweil and Lwin 2014
919	Porpax lacei (Summerh.) Schuit., Y.P.Ng & H.A.Pedersen	Dawna Range, Kyaikkami (Amherst), Mon	Lace 4751 (K!) & (E!)
920	Porpax meirax (N.E. Br.) King & Pantl.	Mon, Tanintharyi	Kress et al. 2003
921	Porpax muscicola (Lindl.) Schuit., Y.P.Ng & H.A.Pedersen	Tanintharyi	Kress et al. 2003
922	Porpax parishii (Lindl. & Rchb.f.) Rolfe	Mon, Tanintharyi	Kress et al. 2003
923	Porpax pusilla (Griff.) Schuit., Y.P.Ng & H.A.Pedersen	Listed as occurrence in Myanmar	Kurzweil and Lwin 2014
924	Porpax summerhayesiana (A.D.Hawkes & A.H.Heller) Schuit., Y.P.Ng & H.A.Pedersen	Recorded from Myanmar	Kress et al. 2003
925	Porpax ustulata (Parish & Rchb. f.) Rolfe	Putao, Kachin; Mon; Mt. Popa, Mandalay	Xiaohua Jin et al. PT-2042 (PE!), Parish 62 (K!); Tanaka et al. 036155 (MBK), Tanaka et al. 036187 (MBK, spirit collection-TNS)
926	Pteroceras compressum (Blume) Holtt.	Sagaing, Tanintharyi	Kress et al. 2003
927	Pteroceras leopardinum (Parish & Rchb. f.) Seidenf. & Smitin.	Mon, Tanintharyi	Parish 269 (K!)
928	Pteroceras teres (Blume) Holttum	Mon, Tanintharyi	Kress et al. 2003
929	Renanthera coccinea Lour.	Chin; Alaungdaw Kathapa National Park, Sagaing; YePhyu, Tanintharyi	Ye Lwin Aung PT-7320, PT-7436 (PE!)
930	Renanthera hennisiana Schltr.	Reported from Myanmar	Kress et al. 2003
931	Renanthera imschootiana Rolfe	Mindat, Chin; Mandalay	Kingdon-Ward 22182 (BM!)
932	Renanthera isosepala Holttum	Listed as occurrence in Myanmar	Kurzweil and Lwin 2014
933	Renanthera pulchella Rolfe	Recorded from Myanmar	Peeters s.n. (K!)
934	Rhomboda abbreviata (Lindl.) Ormerod	Listed as occurrence in Myanmar	Kurzweil and Lwin 2014
935	Rhomboda moulmeinensis (Parish & Rchb. f.) Ormerod	Moulmein, Mon; Tanintharyi	Parish 237 (K!); Lobb s.n. (K!)
936	Rhomboda wardii Ormerod	Kachin	Kingdon-Ward 12889 (BM!)
937	Rhynchostylis gigantea Ridley	Mt. Victoria, Chin; Mt. Popa, Mandalay; Paunglaung Creek, Nay Pyi Taw-Shan Yoma; Alaungdaw Kathapa National Park, Sagaing; Kalaw, Shan	Xiaohua Jin et al. PT-5113 (PE!); Ye Lwin Aung PT-7391, PT-7425, PT-7427, PT-7571 (PE!); Lace s.n. (E!); White 245 (US); Khin Myo Htwe 72 (spirit collection-MBK, TNS), Tanaka et al. 036139 (MBK)
938	Rhynchostylis retusa Blume	Mt. Popa & PyinOoLwin (Maymyo), Mandalay; YePhyu, Tanintharyi	Ye Lwin Aung PT-7246 (PE!); Lace s.n. (E!); Kaulback 249 (BM!); Mokim 6 (P!) & (US); Kurz 3243 (US); Khin Myo Htwe 032884 (MBK); Tanaka 036102 (MBK, spirit collection-TNS); Tanaka et al. 036139 (MBK, spirit collection-TNS)
939	Risleya atropurpurea King & Pantl.	Upper Myanmar	Kingdon-Ward 1780 (E!)
940	Robiquetia pachyphylla (Rchb. f.) Garay	Recorded from Myanmar	s.coll. s.n. (K!)
941	Robiquetia spathulata (Blume) J.J. Sm.	Mon; YePhyu, Tanintharyi	Ye Lwin Aung PT-7355 (PE!)
942	Robiquetia succisa (Lindl.) Seidenf. & Garay	Reported from Myanmar	Kress et al. 2003
943	Saccolabiopsis pusilla (Lindl.) Seidenf. & Garay	Reported from Myanmar	Kress et al. 2003
944	Sarcoglyphis flava (Hook. f.) Garay	Mon, Tanintharyi	Kress et al. 2003
945	Sarcoglyphis mirabilis (Rchb. f.) Garay	Reported from Myanmar	Kress et al. 2003
946	Sarcoglyphis smithiana (Kerr) Seidenf.	Alaungdaw Kathapa National Park, Sagaing	Ye Lwin Aung PT-7424 (PE!)
947	Satyrium nepalense D. Don	Mt. Victoria, Chin; Shan; Mt. Popa, Mandalay	Xiaohua Jin et al. PT-5221 (PE!); Kingdon-Ward 1870 (E!); Farrer 1261 (E!); Maung Gale 9164 (E!)
948	Schoenorchis fragrans (Parish & Rchb. f.) Seidenf. & Smitin.	Mon, Tanintharyi	Kress et al. 2003
949	Schoenorchis gemmata (Lindl.) J.J. Sm.	Putao, Kachin	Xiaohua Jin et al. PT-2081 (PE!); Forrest 26607 (E!) & (US); Kingdon-Ward 1556 (E!)
950	Seidenfadenia mitrata (Rchb.f.) Garay	Tanintharyi	Kress et al. 2003
951	Sirindhornia monophylla (Collett & Hemsl.) H.A.Pedersen & Suksathan	Chin; Kachin; Magway; Mandalay; Sagaing; Nawngtaya, Shan	Collett s.n. (K!); Collett 766 (CAL)
952	Smitinandia helferi (Hook. f.) Garay	Mon, Tanintharyi	Kress et al. 2003
953	Smitinandia micrantha (Lindl.) Holtt.	Alaungdaw Kathapa National Park, Sagaing	Ye Lwin Aung PT-7439 (PE!)
954	Spathoglottis affinis de Vriese	Mt. Popa, Mandalay; Dawei (Tavoy), Tanintharyi; Rakhine	Keenan et al. 929 (E!); Murata et al. 021040 (MBK, TNS)
955	Spathoglottis hardingiana Parish & Rchb.f.	Listed as occurrence in Myanmar	Kurzweil and Lwin 2014
956	Spathoglottis plicata Blume	Mt. Popa, Mandalay	Khin Myo Htwe 4 (spirit collection-TNS), Tanaka et al. 036160 (MBK)
957	Spathoglottis pubescens Lindl.	Bago; Chin; Kachin; Mt. Popa & PyinOoLwin (Maymyo), Mandalay; Rakhine; Shan; Tanintharyi	Ye Lwin Aung PT-7237, PT-7238 (PE!); Farrer 1262 (E!); Lace 5515 (E!); MacGregor 819 & 820 (E!); Kingdon-Ward 1848 (E!); Kingdon-Ward 22567 (BM!); Belcher 628 & 816 (US)
958	Spiranthes sinensis (Pers.) Ames	Putao & Sumpra Bum, Kachin; Mindat, Chin	Xiaohua Jin et al. PT-ET 988 (PE!); Lace 3141 (E!); Kingdon-Ward 1735 & 22035 (E!); Kingdon-Ward 22848, 22656 & 22035 (BM!)
959	Stereochilus erinaceus (Rchb. f.) Garay	Mon, Tanintharyi	Kress et al. 2003
960	Stereochilus hirtus Lindl.	Tanintharyi	Kress et al. 2003
961	Stereochilus laxus (Rchb. f.) Garay	Tanintharyi	Kress et al. 2003
962	Stereosandra javanica Blume	YePhyu, Tanintharyi	Saw Lwin et al. TNRO 5 (SING, SING [spirit])
963	Stichorkis gibbosa (Finet) Wood	Mon, Tanintharyi	Kress et al. 2003
964	Strongyleriapannea (Lindl.) Schuit., Y.P.Ng & H.A.Pedersen	PyinOoLwin (Maymyo), Mandalay; Mt. Victoria, Chin	Forrest 25121 & 27028 (E!) & (NY!) & (BM!) & (US); Kingdon-Ward 1552 (E!); Cooper 6087 (E!); s.n. (K!)
965	Taeniophyllum glandulosum Blume	InnDawGyi Wildlife Sanctuary, Kachin State	Kurzweil & Lwin 2790 (SING spirit)
966	Tainia hennisiana (Schltr.) P.F.Hunt	Reported from Myanmar	Kress et al. 2003
967	Tainia latifolia (Lindl.) Rchb. f.	Chin; Putao, Kachin; Mandalay; Sagaing; Upper Chindwin	Xiaohua Jin et al. PT-2106 (PE!), Ye Lwin Aung PT-7142 (PE!); Glin 5761 (K!); Parish 253 (K!); Keenan et al. 3429 (E!)
968	Tainia minor Hook.f.	Laktang, Kachin	Kingdon-Ward 3229 (E!); Kingdon-Ward 20938 (BM!)
969	Tainia wrayana (Hook.f.) J.J.Sm.	Reported from Myanmar	Kress et al. 2003
970	Thecostele alata (Roxb.) Parish & Rchb. f.	Mon, Tanintharyi	Kress et al. 2003
971	Thelasis carinata (Blume) Rchb. f.	Reported from Myanmar	Kress et al. 2003
972	Thelasis khasiana Hook.f.	Putao, Kachin	Xiaohua Jin et al. PT-5274 (PE!), Ye Lwin Aung PT-7065, PT-7077, PT-7095, PT-7110 (PE!)
973	Thelasis micrantha (Brongn.) J.J. Sm.	Listed as occurrence in Myanmar	Kurzweil and Lwin 2014
974	Thelasis perpusilla (C.S.P.Parish & Rchb.f.) Schuit.	Hpa-an, Kayin; Mon; Tanintharyi; Pyu Kyoon, Bago; Mandalay	Xiaohua Jin et al. PT-2552 (PE!); R.C. Swinhoe 22 (K!); Brandis s.n. (K!)
975	Thelasis pygmaea (Griff.) Lindl.	Chin, Mon, Tanintharyi	Kress et al. 2003
976	Thrixspermum calceolus (Lindl.) Rchb. f.	Reported from Myanmar	Kress et al. 2003
977	Thrixspermum centipeda Lour.	Putao, Kachin; Dawei (Tavoy), Tanintharyi	Xiaohua Jin et al. PT-ET 1322 (PE!); Keenan et al. 5450 (E!)
978	Thrixspermum merguense (Hook. f.) Kuntze	Mon; YePhyu, Tanintharyi	Ye Lwin Aung PT-7348 (PE!)
979	Thrixspermum scortechinii (Hook. f.) Ridl.	Mon	Kress et al. 2003
980	Thrixspermum trichoglottis (Hook. f.) Kuntze	YePhyu, Tanintharyi	Ye Lwin Aung PT-7329 (PE!)
981	Thunia alba Rchb. f.	Mt. Victoria & Mindat, Chin; Putao, Kachin; Mt. Popa, Mandalay; Rakhine; Kalaw, Shan; YePhyu, Tanintharyi; Mon	Xiaohua Jin et al. PT-ET 109 (PE!), Xiaohua Jin et al. PT-5116 (PE!); Ye Lwin Aung PT-7010, PT-7288 (PE!); Cooper 6068 (E!); Kingdon-Ward 22320 (BM!); Khin Myo Htwe 40 (spirit collection-TNS)
982	Thunia bensoniae Hook. f.	Chin, Mon	Kress et al. 2003
983	Thunia brymeriana Rolfe	Recorded from Myanmar	s.coll. s.n. (K!)
984	Thunia candidissima Rchb. f.	Reported from Myanmar	Kress et al. 2003
985	Thunia pulchra Rchb.f.	Putao, Kachin; Mon	Qiang Liu 455 (HITBC!); Parish 5 & 199 (K!)
986	Thuniopsis cleistogama L.Li, D.P.Ye & Shi J.Li	Mt. Popa, Mandalay; Kanpetlet, Chin	Cho et al. MM-0507 (HHU); Kang et al. 2019 [photographic record from Chin State]
987	Tipularia josephi Rchb.f. ex Lindl.	Kachin	Kingdon-Ward 12991 & 13242 (BM!)
988	Trachoma coarctatum (King & Pantl.) Garay	Reported from Myanmar	Kress et al. 2003
989	Trichoglottis bipunctata (Parish & Rchb. f.) Tang & F.T. Wang	Mon, Tanintharyi	Kress et al. 2003
990	Trichoglottis dawsoniana Rchb.f.	Mon, Tanintharyi	Kress et al. 2003
991	Trichoglottis fasciata Rchb.f.	Tanintharyi	Kress et al. 2003
992	Trichoglottis ramosa (Lindl.) Senghas	Mt. Popa, Mandalay	Khin Myo Htwe 15 (spirit collection-TNS)
993	Trichoglottis ventricularis Kocyan & Schuit.	Reported from Myanmar	Kress et al. 2003
994	Trichotosia aurea (Ridl.) Carr	Putao, Kachin	Ye Lwin Aung PT-7146 (PE!)
995	Trichotosia crassicaulis (Hook.f.) Kraenzl.	Putao, Kachin	Xiaohua Jin et al. PT-2400 (PE!)
996	Trichotosia dasyphylla (Parish & Rchb. f.) Krzl.	Mt. Victoria, Chin; Bago; Tanintharyi	Ye Lwin Aung PT-7569 (PE!); Kurz 1432 (K!)
997	Trichotosia pauciflora Blume	Tanintharyi	Kress et al. 2003
998	Trichotosia pulvinata (Lindl.) Krzl.	Putao, Kachin; Bago; Tanintharyi	Xiaohua Jin et al. PT-5345 (PE!)
999	Trichotosia rotundifolia (Ridl.) Krzl.	Mon, Tanintharyi	Kress et al. 2003
1000	Trichotosia velutina (Lodd. ex Lindl.) Krzl.	Tanintharyi	Kress et al. 2003
1001	Trichotosia vestita (Wall. ex Lindl.) Kraenzl.	Tanintharyi	Kress et al. 2003
1002	Tropidia angulosa Blume	Putao, Kachin; Sagaing; Tanintharyi	Xiaohua Jin et al. PT-2094 (PE!); McMillen 130 (US); Belcher B-C-956 (US)
1003	Tropidia curculigoides Lindl.	Putao, Kachin; Mt. Popa, Mandalay	Xiaohua Jin et al. PT-ET 1378, PT-ET 458 (PE!), Than Than Aye & Khin Myo Htwe 020642 (MBK), Murata et al. 020892 (MBK), Than Than Aye & Khin Myo Htwe 021361 (MBK, TNS)
1004	Tuberolabium elobe (Seidenf.) Seidenf.	Putao, Kachin	Xiaohua Jin et al. PT-ET 245 (PE!)
1005	Uncifera obtusifolia Lindl.	Putao, Kachin; YePhyu, Tanintharyi	Ye Lwin Aung PT-7304, PT-7027, PT-7032, PT-7168 (PE!)
1006	Uncifera verrucosa Summerh.	Recorded from Myanmar	Kingdon-Ward 21171 (BM!)
1007	Vanda ampullacea (Roxb.) L.M.Gardiner	Falam, Chin; Mandalay; Mon	Daun 20 (K!); Swinhoe 44 (K!); Kurz 328 (BM!)
1008	Vanda bensonii Bateman	Mt. Victoria & Haka, Chin; Bago; Mt. Popa & PyinOoLwin (Maymyo), Mandalay; Mon; Alaungdaw Kathapa National Park, Sagaing; Tanintharyi	Ye Lwin Aung PT-7395, PT-7415, PT-7428, PT-7570 (PE!); Benson s.n. (K!); Venning 51 (K!); Lace s.n. (E!); Kingdon-Ward 21803 (BM!); Khin Myo Htwe 12 (spirit collection-TNS); Tanaka et al. 036152 (MBK)
1009	Vanda brunnea Rchb. f.	Falam, Chin; Putao, Kachin; Mt. Popa, Mandalay; Shan	Xiaohua Jin et al. PT-5346 (PE!), Daun 3 (K!); Khin Myo Htwe 97 (spirit collection-MBK), Khin Myo Htwe 16 (spirit collection-TNS)
1010	Vanda coerulea Griff. ex Lindl.	Chin; Kachin; PyinOoLwin (Maymyo), Mandalay; Shan; Yangon	Bogg B (K!); Lace s.n. (E!)
1011	Vanda coerulescens Griff.	Pyay (Prome), Bago; Falam, Chin; Kachin; Mt. Popa & PyinOoLwin (Maymyo), Mandalay; Alaungdaw Kathapa National Park, Sagaing; Shan	Ye Lwin Aung PT-7397, PT-7412, PT-7419, PT-7437 (PE!); Benson s.n. (K!); Collett 544 (K!); Daun 24 (K!); Samuel 13523 & 13559 (K!); Forrest 7450 (E!); Khin Myo Htwe 81 (spirit collection-MBK) & 89 (spirit collection-TNS)
1012	Vanda cristata Lindl.	Putao, Kachin; Paunglaung Creek, Nay Pyi Taw-Shan Yoma; YePhyu, Tanintharyi	Ye Lwin Aung PT-7322, PT-7372, PT-7373 (PE!); Xiaohua Jin et al. PT-6869 (PE!)
1013	Vanda curvifolia (Lindl.) L.M.Gardiner	Bago; Mandalay; Yangon; Dawei (Tavoy), Tanintharyi	Griffith s.n. (K!); Mokim 454 (BM!) & (P!)
1014	Vanda denisoniana Benson & Rchb. f.	Reported from Myanmar	Kress et al. 2003
1015	Vanda flabellata (Rolfe ex Downie) Christenson	Taunggyi, Shan State	Ye Lwin Aung PT-7598 (PE!)
1016	Vanda garayi (Christenson) L.M.Gardiner	Alaungdaw Kathapa National Park, Sagaing	Ye Lwin Aung PT-7410 (PE!)
1017	Vanda liouvillei Finet	Mt. Popa, Mandalay	s.coll. s.n. (K!); Khin Myo Htwe 035062 (MBK), Khin Myo Htwe 6 (spirit collection-TNS), Khin Myo Htwe 20 (spirit collection-TNS), Khin Htwe 106 (spirit collection-MBK, TNS)
1018	Vanda longitepala D.L.Roberts, L.M.Gardiner & Mote	Myitkyina District, Kachin State	Kermode 17331 (Holotype: K!)
1019	Vanda petersiana Schltr.	Reported from Myanmar	Kress et al. 2003
1020	Vanda rubra (Lindl.) L.M.Gardiner	Recorded from Myanmar	Griffith s.n. (P!)
1021	Vanda tessellata Hook. ex G. Don	Chin, Tanintharyi	Kress et al. 2003
1022	Vanda testacea (Lindl.) Rchb. f.	Mt. Popa, Mandalay; Bago; Mon; Rakhine; Tanintharyi	Khin Myo Htwe 79 (spirit collection-MBK), Khin Myo Htwe 78 & 83 (spirit collection-MBK, TNS), Khin Myo Htwe 82 (spirit collection-MBK, TNS)
1023	Vanda vipanii Rchb. f.	Falam, Chin; Taunggyi, Shan	Kingdon-Ward 22961 (BM!); Abdul Khalil s.n. (BM!); s.coll. s.n. (K!)
1024	Vandopsis gigantea (Lindl.) Pfitzer	Reported from Myanmar	Kress et al. 2003
1025	Vandopsis shanica (Phillimore & W.W. Sm.) Garay	Reported from Myanmar	Kress et al. 2003
1026	Vandopsis undulata (Lindl.) J.J.Sm.	Recorded from Myanmar	Forrest 13729 (E!)
1027	Vanilla aphylla Blume	Recorded from Myanmar	Parish 286 (K!)
1028	Vanilla planifolia Andrews	Listed as occurrence in Myanmar	Kurzweil and Lwin 2014
1029	Vanilla siamensis Rolfe ex Downie	Listed as occurrence in Myanmar	Kurzweil and Lwin 2014
1030	Vrydagzynea albida (Blume) Blume	Reported from Myanmar	Kress et al. 2003
1031	Vrydagzynea nuda Blume	Putao, Kachin	Xiaohua Jin et al. PT-6469 (PE!)
1032	Zeuxine affinis (Lindl.) Trimen	Mt. Popa, Mandalay	Kingdon-Ward 21758 (BM!); s.coll. s.n. (E!); Akiyama et al. 030199 (MBK); Ohi-Toma 035001 (MBK)
1033	Zeuxine flava (Lindl.) Benth.	Myitkyina, Kachin; Kanpetlet, Chin; Kalaw, Shan; Mt. Popa, Mandalay; Tanintharyi	Dickason 8448 (K!); Kermode 16609 (K!)
1034	Zeuxine goodyeroides Lindl.	Bago; Dawna range, Kayin	Lace 4606 (E!)
1035	Zeuxine gracilis (Breda) Blume	Mon, Tanintharyi	Kress et al. 2003
1036	Zeuxine longilabris (Lindl.) Trimen	Galon Reserve, Katha, Sagaing	Lace s.n. (E!)
1037	Zeuxine membranacea Lindl.	Mogok, Mandalay	Lace 5070 (E!)
1038	Zeuxine nervosa (Wall. ex Lindl.) Trimen	Hpa-an or Myawaddy District, Kayin State	Burkill 24458 p.p. (K)
1039	Zeuxine parvifolia (Ridl.) Seidenf.	Listed as occurrence in Myanmar	Kurzweil and Lwin 2014
1040	Zeuxine strateumatica (L.) Schltr.	PyinOoLwin (Maymyo), Mandalay; Shan	Swinhoe s.n. (K!); White 206 & 207 (US)

1. Accepted taxon name and its author (s). Endemic species are mentioned in bold text, 76 species in total.

2. Local Distribution in Myanmar, usually Region/State (Provincial) level. In Myanmar, there are 15 administrative provinces including Nay Pyi Taw Union Territory, seven Regions (Ayeyarwaddy, Bago, Magway, Mandalay, Sagaing, Tanintharyi and Yangon) and seven States (Chin, Kachin, Kayah, Kayin, Mon, Rakhine and Shan). Specific localities are provided if known.

3. Specimen Citations: Collector (s), Collection number (s) and Herbarium codes (Thiers 2019, http://sweetgum.nybg.org/ih/). All specimens cited with exclamation mark (!) have been examined. Some specimens without exclamation mark (!) are studied and known from literature of new species description or new species records.

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Acknowledgements

Special thanks are due to the Guest Editor Yun-Hong Tan and three reviewers, Leonid Averyanov, Tian-Chuan Hsu and Jecmenica Vladimir, for their critical and helpful comments on our manuscript. This research was supported by grants from the Southeast Asia Biodiversity Research Institute, Chinese Academy of Sciences (Grant No. Y4ZK111B01) and the National Natural Science Foundation of China (Grant Nos. 31670194, 31620103902).

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Funding Statement

1. Southeast Asia Biodiversity Research Institute, Chinese Academy of Sciences
2. National Natural Science Foundation of China

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Notes

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Citation

Aung YL, Mu AT, Aung MH, Liu Q, Jin X (2020) An annotated checklist of Myanmar orchid flora. In: Jin X-H, Xia N-H, Tan Y-H (Eds) Plant diversity of Southeast Asia-II. PhytoKeys 138: 49–112. https://doi.org/10.3897/phytokeys.138.36144

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References

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New contributions to Goodyerinae and Dendrobiinae (Orchidaceae) in the flora of China.
Ya JD, Zhang T, Pandey TR, Liu C, Han ZD, Ye DP, He DM, Liu Q, Yang L, Huang L, Zhang RZ, Jiang H, Cai J
Plant Divers, 43(5):362-378, 04 Jun 2021
Cited by: 2 articles | PMID: 34816062 | PMCID: PMC8591208
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Documentation of plant diversity of Southeast Asia: the new role of Belt and Road Initiative.
Aung MH, Li Z, Tan YH, Xia NH, Quan RC, Jin XH
PhytoKeys, 138:1-2, 10 Jan 2020
Cited by: 1 article | PMID: 31988600 | PMCID: PMC6970139
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An annotated checklist of Myanmar orchid flora.

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An annotated checklist of Myanmar orchid flora

Ye Lwin Aung

Aye Thin Mu

Mung Htoi Aung

Qiang Liu

Xiaohua Jin

Abstract

Introduction

Material and methods

Study areas

Specimen collections and identification

Investigation of herbarium specimens

Verification of species occurrence and taxonomic status

Results

Table 1.

Table 2.

Table 3.

Table 4.

Discussion

Checklist

Table 5.

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New contributions to Goodyerinae and Dendrobiinae (Orchidaceae) in the flora of China.

Documentation of plant diversity of Southeast Asia: the new role of Belt and Road Initiative.

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