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| | Preliminary checklist of the Orchidaceae of Laos André Schuiteman, Pierre Bonnet, Bouakhaykhone Svengsuksa Photos by D. Barthélémy, P. Bonnet, P. Bruggeman, P. O’Byrne, K. Petrzelka, A. Schuiteman, Sulistyono, V. Vannachak, L. Y. Th. Westra |
According to the most recent overview of the orchid flora of Indochina (Seidenfaden 1992) about 335 species are known to occur in Laos. Considering the orchid richness of the neighbouring countries it seems safe to estimate that more than 800 species may eventually be recorded from Laos. The following checklist of 808 taxa enumerates not only species currently known from Laos but also those that, based on knowledge about their distribution and ecology, may be expected to be found there in the future. These are marked with *. Those marked with % are taxa occurring in Laos but not listed as such in Seidenfaden (1992); these new records for the orchid flora of Laos were partly scanned from recent literature, but most are due to our own explorations.
Reference: Seidenfaden, G. 1992. The Orchids of Indochina. Opera Botanica 114.
Click on the underlined names for access to the species pages
GENUS | SPECIES |
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*Acanthephippium gougahense (Guillaumin) Seidenf. | |
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Adenoncos | |
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Agrostophyllum brevipes King & Pantl. | |
| *Agrostophyllum callosum Rchb.f. |
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Amitostigma | *Amitostigma keiskeoides (Gagnep.) Garay & W.Kittr. |
*Anoectochilus albolineatus Parish & Rchb.f. | |
| *Anoectochilus brevilabris Lindl. |
| *Anoectochilus brevistylis (Hook.f.) Ridl. |
| *Anoectochilus burmannicus Rolfe |
| *Anoectochilus elwesii (C.B.Clarke ex Hook.f.) King & Pantl. |
| *Anoectochilus lanceolatus Lindl. |
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| %Anoectochilus tortus (King & Pantl.) King & Pantl. |
Anthogonium | |
*Aphyllorchis caudata Rolfe ex Downie | |
| %Aphyllorchis evrardii Gagnep. |
| *Aphyllorchis montana Rchb.f. |
*Apostasia nuda R.Br. | |
| Apostasia odorata Blume |
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| *Appendicula hexandra (J.Koenig) J.J.Sm. |
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Arachnis | |
Armodorum | |
Arundina | |
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Ascolabium | |
Biermannia | |
Brachycorythis acuta (Rchb.f.) Summerh. | |
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| Brachycorythis helferi (Rchb.f.) Summerh. |
| Brachycorythis laotica (Gagnep.) Summerh. |
| Brachycorythis thorelii (Gagnep.) Summerh. |
Brachypeza | |
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| *Bulbophyllum amplifolium (Rolfe) N.P.Balakr. & S.Chowdhury |
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| *Bulbophyllum appendiculatum (Rolfe) J.J.Sm. |
| *Bulbophyllum arcuatilabium Aver. |
| %Bulbophyllum averyanovii Seidenf. |
| *Bulbophyllum bisetoides Seidenf. |
| *Bulbophyllum bittnerianum Schltr. |
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| *Bulbophyllum catenarium Ridl. |
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| *Bulbophyllum clipeibulbum J.J.Verm. |
| *Bulbophyllum concinnum Hook.f. |
| *Bulbophyllum congestum Rolfe |
| *Bulbophyllum corallinum Tixier & Guillaumin |
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| *Bulbophyllum delitescens Hance |
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| *Bulbophyllum emarginatum (Finet) J.J.Sm. |
| *Bulbophyllum fischeri Seidenf. |
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| *Bulbophyllum forrestii Seidenf. |
| *Bulbophyllum griffithii (Lindl.) Rchb.f. |
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| %Bulbophyllum gymnopus Hook.f. |
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| *Bulbophyllum hymenanthum Hook.f. |
| %Bulbophyllum insulsum (Gagnep.) Seidenf. |
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| *Bulbophyllum khasyanum Griff. |
| Bulbophyllum laoticum Gagnep. |
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| *Bulbophyllum luanii Tixier |
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| %Bulbophyllum monanthos Ridl. |
| *Bulbophyllum monanthum (Kuntze) J.J.Sm. |
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| *Bulbophyllum pectinatum Finet |
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| Bulbophyllum proboscideum (Gagnep.) Seidenf. & Smitinand |
| *Bulbophyllum protractum Hook.f. |
| %Bulbophyllum psittacoglossum Rchb.f. |
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| *Bulbophyllum reclusum Seidenf. |
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| %Bulbophyllum repens Griff. |
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| Bulbophyllum sanguineopunctatum Seidenf. & Kerr |
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| Bulbophyllum seidenfadenii Kerr |
| %Bulbophyllum sigaldiae Guillaumin |
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| Bulbophyllum stenobulbon Parish & Rchb.f. |
| *Bulbophyllum striatum (Griff.) Rchb.f. |
| *Bulbophyllum suavissimum Rolfe |
| Bulbophyllum sutepense (Rolfe) Seidenf. & Smitinand |
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| %Bulbophyllum thaiorum J.J.Sm. |
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| Bulbophyllum tripudians Parish & Rchb.f. |
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| Bulbophyllum violaceolabellum Seidenf. |
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| %Bulbophyllum xylophyllum Parish & Rchb.f. |
*Calanthe aleizettii Gagnep. | |
| *Calanthe alismifolia Lindl. |
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| *Calanthe clavata Lindl. |
| *Calanthe densiflora Lindl. |
| *Calanthe herbacea Lindl. |
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| *Calanthe mannii Hook.f. |
| Calanthe odora Griff. |
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| *Calanthe velutina Ridl. |
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Cephalanthera | Cephalanthera exigua Seidenf. |
*Cephalantheropsis longipes (Hook.f.) Ormerod | |
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| Ceratostylis siamensis Rolfe ex Downie |
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| *Cheirostylis marmorifolia Aver. |
| *Cheirostylis spathulata J.J.Sm. |
| *Cheirostylis yunnanensis Rolfe |
*Chiloschista extinctoriformis Seidenf. | |
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| *Chiloschista trudelii Seidenf. |
*Chrysoglossum assamicum Hook.f. | |
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| *Cleisostoma filiforme (Lindl.) Garay |
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| *Cleisostoma striatum (Rchb.f.) N.E.Br. |
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| %Coelogyne lawrenceana Rolfe |
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| Coelogyne longipes Hook.f. |
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| *Coelogyne prolifera Lindl. |
| *Coelogyne quadratiloba Gagnep. |
| Coelogyne raizadae S.K.Jain & S.Das |
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| *Coelogyne tenasserimensis Seidenf. |
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| *Coelogyne virescens Rolfe |
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Collabium | |
Corymborkis | |
Cremastra | *Cremastra appendiculata (D.Don) Makino |
Cryptochilus | *Cryptochilus lutea Lindl. |
Cryptopylos | |
Cryptostylis | |
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| Cymbidium dayanum Rchb.f. |
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| *Cymbidium floribundum Lindl. |
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| Cymbidium macrorhizon Lindl. |
| *Cymbidium mastersii Griff. ex Lindl. |
| *Cymbidium sanderae (Rolfe) P.J.Cribb & Du Puy |
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Cyrtosia integra (Rolfe ex Downie) Garay | |
| *Cyrtosia javanica Blume |
| *Cyrtosia nana (Rolfe ex Downie) Garay |
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| *Dendrobium bilobulatum Seidenf. |
| *Dendrobium binoculare Rchb.f. |
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| Dendrobium cariniferum Rchb.f. |
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| *Dendrobium dantaniense Guillaumin |
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| Dendrobium deltatum Seidenf. |
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| *Dendrobium dentatum Seidenf. |
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| *Dendrobium hymenanthum Rchb.f. |
| *Dendrobium incurvum Lindl. |
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| Dendrobium indivisum (Blume) Miq. var. pallidum Seidenf. |
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| %Dendrobium langbianense Gagnep. |
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| Dendrobium lituiflorum Lindl. |
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| *Dendrobium metrium |
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| Dendrobium multilineatum Kerr |
| Dendrobium nathanielis Rchb.f. |
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| *Dendrobium simplicissimum (Lour.) Kraenzl. |
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| *Dendrobium umbonatum Seidenf. |
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| *Dendrobium williamsonii J.Day & Rchb.f. |
Didymoplexiella | *Didymoplexiella siamensis (Rolfe ex Downie) Seidenf. |
Didymoplexiopsis | *Didymoplexiopsis khiriwongensis Seidenf. |
Didymoplexis | |
Diglyphosa | *Diglyphosa evrardii (Gagnep.) Tang & F.T.Wang |
Diplomeris | *Diplomeris pulchella D.Don |
Diploprora | |
Dipodium | |
*Drymoda picta Lindl. | |
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Eparmatostigma | |
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| Epigeneium clemensiae Gagnep. |
| *Epigeneium mimicum Ormerod |
Epipactis | *Epipactis flava Seidenf. |
Epipogium | |
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| *Eria bambusifolia Lindl. |
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| Eria bilobulata Seidenf. |
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| *Eria calcarea V.N.Long & Aver. |
| *Eria clausa King & Pantl. |
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| Eria donnaiensis (Gagnep.) Seidenf. |
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| *Eria gagnepainii A.D.Hawkes & A.H.Heller |
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| Eria hindei Summerh. |
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| Eria laniceps Rchb.f. |
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| *Eria obesa Lindl. |
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| *Eria pusilla (Griff.) Lindl. |
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| *Eria thao Gagnep. |
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| Eria truncata Lindl. |
Eriodes | |
| *Erythrodes hirsuta (Griff.) Ormerod |
Erythrorchis | Erythrorchis ochobiensis (Hayata) Garay |
| Eulophia dufossei Guillaumin |
| *Eulophia flava (Lindl.) Hook.f. |
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| Eulophia herbacea Lindl. |
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| Eulophia pauciflora Guillaumin |
| Eulophia promensis Lindl. |
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| *Flickingeria bancana (J.J.Sm.) A.D.Hawkes |
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| *Flickingeria unibulbis Seidenf. |
Galeola | *Galeola nudifolia Lour. |
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| *Gastrochilus pseudodistichus Schltr. |
| *Gastrochilus yunnanensis Schltr. |
%Gastrodia exilis Hook.f. | |
| *Gastrodia javanica (Blume) Lindl. |
| *Gastrodia tonkinensis Aver. & Averyanova |
Geodorum candidum (Roxb.) Lindl. | |
| *Geodorum citrinum Jacks. |
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| *Geodorum pulchellum Ridl. |
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*Goodyera foliosa (Lindl.) Benth. ex Hook.f. | |
| *Goodyera fumata Thwaites |
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| *Goodyera hispida Lindl. |
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| *Goodyera viridiflora (Blume) Blume |
Grammatophyllum | |
Grosourdya | |
*Habenaria acuifera Wall. ex Lindl. | |
| *Habenaria amplexicaulis Rolfe ex Downie |
| Habenaria chlorina Parish & Rchb.f. |
| *Habenaria commelinifolia (Roxb.) Lindl. |
| Habenaria dentata (Sw.) Schltr. |
| Habenaria dentirostrata Tang & F.T.Wang |
| *Habenaria erostrata Tang & F.T.Wang |
| *Habenaria falcatopetala Seidenf. |
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| *Habenaria godefroyi Rchb.f. |
| Habenaria holotricha Gagnep. |
| Habenaria khasiana Hook.f. |
| *Habenaria limprichtii Schltr. |
| Habenaria lindleyana Steud. |
| Habenaria lucida Lindl. |
| %Habenaria malintana (Blanco) Merr. |
| *Habenaria malleifera Hook.f. |
| Habenaria mandersii Collett & Hemsl. |
| *Habenaria medioflexa Turrill |
| Habenaria myriotricha Gagnep. |
| *Habenaria pantlingiana Kraenzl. |
| *Habenaria pectinata (Sm.) D.Don var. arietina (Hook.f.) R.C.Srivast. |
| %Habenaria poilanei Gagnep. |
| %Habenaria reflexa Blume |
| *Habenaria reniformis (D.Don) Hook.f. |
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| Habenaria rostellifera Rchb.f. |
| Habenaria rostrata Lindl. |
| Habenaria rumphii (Brongn.) Lindl. |
| *Habenaria stenopetala Lindl. |
| *Habenaria thailandica Seidenf. |
| Habenaria tonkinensis Seidenf. |
| %Habenaria viridiflora (Rottler ex Sw.) R.Br. |
Hemipilia | *Hemipilia calophylla Parish & Rchb.f. |
Herminium | |
Herpysma | *Herpysma longicaulis Lindl. |
Hetaeria affinis (Griff.) Seidenf. & Ormerod | |
| *Hetaeria anomala (Lindl.) Hook.f. |
| *Hetaeria oblongifolia Blume |
| *Hetaeria youngsayei Ormerod |
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Lecanorchis | |
*Liparis acuminata Hook.f. | |
| Liparis anatina Szlach. |
| *Liparis atrosanguinea Ridl. |
| *Liparis averyanoviana Szlach. |
| *Liparis balansae Gagnep. |
| %Liparis bootanensis Griff. |
| Liparis brunneolobata Kerr |
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| *Liparis chapaensis Gagnep. |
| *Liparis cordifolia Hook.f. |
| Liparis deflexa Hook.f. |
| Liparis delicatula Hook.f. |
| %Liparis dendrochiloides Seidenf. ex Aver. |
| Liparis distans C.B.Clarke |
| %Liparis elliptica Wight |
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| Liparis gibbosa Finet |
| *Liparis gigantea C.L.Tso |
| *Liparis mannii Rchb.f. |
| Liparis nervosa (Thunb.) Lindl. |
| *Liparis oppositifolia Szlach. |
| *Liparis petiolata (D.Don) P.F.Hunt & Summerh. |
| *Liparis plantaginea Lindl. |
| *Liparis regnieri Finet |
| *Liparis rhombea J.J.Sm. |
| *Liparis stricklandiana Rchb.f. |
| *Liparis tenuis Rolfe ex Downie |
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| Liparis wightiana Thwaites |
Ludisia | |
*Luisia antennifera Blume | |
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| Luisia platyglossa Rchb.f. |
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| *Luisia secunda Seidenf. |
| %Luisia thailandica Seidenf. |
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Malaxis acuminata D.Don | |
| Malaxis biaurita (Lindl.) Kuntze |
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| %Malaxis chamaeorchis (Schltr.) Seidenf. |
| *Malaxis octodentata Seidenf. |
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| *Malaxis orbicularis (W.W.Sm. & Jeffrey) Tang & F.T.Wang |
| Malaxis polyodon (Hook.f.) Kuntze |
| Malaxis prasina (Ridl.) Seidenf. & Smitinand |
| Malaxis purpurea (Lindl.) Kuntze |
| *Malleola insectifera (J.J.Sm.) J.J.Sm. & Schltr. |
| *Malleola seidenfadenii Christenson |
| *Malleola sylvestris (Ridl.) Garay |
| *Micropera poilanei (Guillaumin) Garay |
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Macropodanthus | |
Microsaccus | |
| *Mischobulbum longiscapum Seidenf. ex H.Turner |
| %Mischobulbum ovifolium (Z.H.Tsi & S.C.Chen) Aver. |
| *Mischobulbum wrayanum (Hook.f.) Rolfe |
Monomeria | *Monomeria barbata Lindl. |
Myrmechis | |
Neogyna | Neogyna gardneriana (Lindl.) Rchb.f. |
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| %Nervilia crociformis (Zoll. & Moritzi) Seidenf. |
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| *Nervilia macroglossa (Hook.f.) Schltr. |
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| *Nervilia punctata (Blume) Makino |
Neuwiedia | *Neuwiedia zollingeri Rchb.f. var. singapureana (Baker) de Vogel |
*Oberonia acaulis Hook. | |
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| *Oberonia caulescens Lindl. |
| Oberonia delacourii Gagnep. |
| *Oberonia emarginata King & Pantl. |
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| %Oberonia falcata King & Pantl. |
| Oberonia falconeri Hook.f. |
| *Oberonia ferruginea Parish ex Hook.f. |
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| Oberonia integerrima Guillaumin |
| *Oberonia jenkinsiana (Griff. ex Rchb.f.) Lindl. |
| *Oberonia kwangsiensis Seidenf. |
| *Oberonia langbianensis Gagnep. |
| *Oberonia longibracteata Lindl. |
| *Oberonia lycopodioides (J.Koenig) Ormerod |
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| %Oberonia pachyphylla King & Pantl. |
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| %Oberonia pyrulifera Lindl. |
| *Oberonia rasmussenii Seidenf. |
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Odontochilus | *Odontochilus poilanei (Gagnep.) Ormerod |
Ornithochilus | |
*Otochilus albus Lindl. | |
| *Otochilus fuscus Lindl. |
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| *Otochilus porrectus Lindl. |
Pachystoma | Pachystoma pubescens Blume |
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| *Paphiopedilum barbigerum Tang & F.T.Wang |
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| *Paphiopedilum dianthum Tang & F.T.Wang |
| Paphiopedilum gratrixianum (Mast.) Rolfe |
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*Papilionanthe hookeriana (Rchb.f.) Schltr. | |
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%Pecteilis hawkesiana (King & Pantl.) C.S.Kumar | |
| Pecteilis henryi Schltr. |
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*Peristylus affinis (D.Don) Seidenf. | |
| *Peristylus calcaratus (Rolfe) S.Y.Hu |
| *Peristylus constrictus (Lindl.) Lindl. |
| *Peristylus densus (Lindl.) Santapau & Kapadia |
| *Peristylus garrettii (Rolfe ex Downie) J.J.Wood & Ormerod |
| Peristylus goodyeroides (D.Don) Lindl. |
| *Peristylus holttumii Seidenf. |
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| *Peristylus parishii Rchb.f. |
| *Peristylus prainii (Hook.f.) Kraenzl. |
| *Peristylus tentaculatus (Lindl.) J.J.Sm. |
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*Phalaenopsis braceana (Hook.f.) Christenson | |
| *Phalaenopsis buyssoniana Rchb.f. |
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| %Pholidota convallariae (Rchb.f.) Hook.f. |
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| Pholidota pallida Lindl. |
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| %Pholidota rubra Lindl. |
*Phreatia albofarinosa Ormerod | |
| *Phreatia densiflora (Blume) Lindl. |
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Platanthera | *Platanthera angustata (Blume) Lindl. |
| *Pleione maculata (Lindl.) Lindl. |
| *Pleione praecox (Sm.) D.Don |
*Plocoglottis bokorensis (Gagnep.) Seidenf. | |
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*Podochilus cultratus Lindl. | |
| *Podochilus khasianus Hook.f. |
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Polystachya | |
%Pomatocalpa angustifolium Seidenf. | |
| *Pomatocalpa naevatum J.J.Sm. |
| Pomatocalpa siamense (Rolfe ex Downie) Summerh. |
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| Pomatocalpa tonkinense (Gagnep.) Seidenf. |
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| *Porpax lanii Seidenf. |
| Porpax reticulata Lindl. |
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*Rhomboda abbreviata (Lindl.) Ormerod | |
| *Rhomboda moulmeinensis (Parish & Rchb.f.) Ormerod |
| *Rhomboda petelotii (Gagnep.) Ormerod |
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*Robiquetia pachyphylla (Rchb.f.) Garay | |
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| *Schoenorchis micrantha Reinw. ex Blume |
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Seidenfadenia | %Seidenfadenia mitrata (Rchb.f.) Garay |
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| Spathoglottis eburnea Gagnep. |
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Spiranthes | |
Stereochilus | |
Stereosandra | *Stereosandra javanica Blume |
| *Sunipia annamensis (Ridl.) P.F.Hunt |
| %Sunipia grandiflora (Rolfe) P.F.Hunt |
| Sunipia scariosa Lindl. |
Taeniophyllum | *Taeniophyllum pahangense Carr |
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| Tainia latifolia (Lindl.) Rchb.f. |
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Thaia | |
Thecopus | *Thecopus maingayi (Hook.f.) Seidenf. |
Thecostele | |
*Thelasis khasiana Hook.f. | |
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| *Thrixspermum ancoriferum (Guillaumin) Garay |
| *Thrixspermum annamense (Guillaumin) Garay |
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| %Thrixspermum clavatum (J.Koenig) Garay |
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| Thrixspermum pusillum (Guillaumin) Garay |
| *Thrixspermum sutepense (Rolfe ex Downie) Tang & F.T.Wang |
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| *Thunia pulchra Rchb.f. |
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| *Trichoglottis seidenfadenii Aver. |
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| Trichotosia pulvinata (Lindl.) Kraenzl. |
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| %Tropidia curculigoides Lindl. |
| Tropidia pedunculata Blume |
*Tuberolabium elobe (Seidenf.) Seidenf. | |
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*Vanda alpina (Lindl.) Lindl. | |
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| Vanda liouvillei Finet |
| *Vanda petersiana Schltr. |
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*Vanilla albida Blume | |
| *Vanilla annamica Gagnep. |
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| *Vanilla pierrei Gagnep. |
Vrydagzynea | |
Yoania | *Yoania prainii King & Pantl. |
Zeuxine affinis (Lindl.) Benth. ex Hook.f. | |
| *Zeuxine grandis Seidenf. |
| *Zeuxine nervosa (Wall. ex Lindl.) Trimen |
| *Zeuxine parvifolia (Ridl.) Ridl. ex K.Schum. & Fedde |
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last updated: 25 february 2008 by Pierre Bonnet
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