
Ancistrorhynchus is a genus of flowering plants from the orchid family Orchidaceae. It contains 16 species native to tropical Africa.

Brachystele is a genus of flowering plants from the orchid family, Orchidaceae. It consists of 20 species native primarily to South America but with a few species in Mexico, Central America, and Trinidad & Tobago.
- Brachystele arechavaletae(Kraenzl.) Schltr.
- Brachystele bicrinitaSzlach.
- Brachystele bracteosa(Lindl.) Schltr.
- Brachystele burkartiiM.N.Correa
- Brachystele camporum(Lindl.) Schltr.
- Brachystele chlorops(Rchb.f.) Schltr.
- Brachystele cyclochila(Kraenzl.) Schltr.
- Brachystele delicatula(Kraenzl.) Schltr.
- Brachystele dilatata(Lindl.) Schltr.
- Brachystele guayanensis(Lindl.) Schltr.
- Brachystele luzmarianaSzlach. & R.González
- Brachystele maasiiSzlach.
- Brachystele oxyanthosSzlach
- Brachystele pappulosaSzlach
- Brachystele scabrilinguaSzlach
- Brachystele subfiliformis(Cogn.) Schltr
- Brachystele tamayoanaSzlach.
- Brachystele unilateralis(Poir.) Schltr
- Brachystele waldemariiSzlach.
- Brachystele widgrenii(Rchb.f.) Schltr.
Buchtienia is a genus of flowering plants from the orchid family, Orchidaceae. it contains 3 species, all native to South America:
- Buchtienia boliviensisSchltr.
- Buchtienia ecuadorensisGaray
- Buchtienia roseaGaray

Capanemia is a genus of flowering plants from the orchid family, Orchidaceae. It contains 9 recognized species, all from South America:
- Capanemia adelaidaePorto & Brade - Brazil
- Capanemia brachycion(Griseb.) Schltr. - Rio Grande do Sul, northern and eastern Argentina, Paraguay, Uruguay
- Capanemia carinataBarb.Rodr. - Minas Gerais, São Paulo
- Capanemia gehrtiiHoehne - Brazil
- Capanemia micromeraBarb.Rodr. - Bolivia, Brazil, Argentina, Paraguay, Uruguay
- Capanemia paranaensisSchltr. - Paraná
- Capanemia pygmaea(Kraenzl.) Schltr. - Brazil, probably extinct
- Capanemia superflua(Rchb.f.) Garay - Brazil, Argentina, Paraguay
- Capanemia theresaeBarb.Rodr. - Brazil

Calyptrochilum is a genus of flowering plants from the orchid family Orchidaceae native to tropical Africa, with one species extending into Brazil.

Centrostigma is a genus of flowering plants from the orchid family, Orchidaceae. There are three currently accepted species, all native to Africa:

Ceratandra is a genus of flowering plants from the orchid family, Orchidaceae. It contains 6 known species, all endemic to South Africa.
- Ceratandra atrata(L.) T.Durand & Schinz
- Ceratandra bicolorSond. ex Bolus
- Ceratandra globosaLindl.
- Ceratandra grandifloraLindl.
- Ceratandra harveyanaLindl.
- Ceratandra venosa(Lindl.) Schltr.

Chamaeanthus is a genus of flowering plants from the orchid family, Orchidaceae. Two species are currently recognized as of May 2014, both native to Taiwan and southeastern Asia.
Chauliodon is a genus of flowering plants from the orchid family, Orchidaceae. It contains only one known species, Chauliodon deflexicalcaratum, native to tropical Africa.

Eurycentrum is a genus of flowering plants from the orchid family, Orchidaceae. It contains 7 known species, native to New Guinea and to certain islands of the Pacific.
- Eurycentrum amblyocerasSchltr. - New Guinea
- Eurycentrum atrovirideJ.J.Sm. - New Guinea
- Eurycentrum fragransSchltr. - New Guinea
- Eurycentrum goodyeroidesRidl. - New Guinea
- Eurycentrum monticolaSchltr. - New Guinea
- Eurycentrum obscurum(Blume) Schltr. in K.M.Schumann & C.A.G.Lauterbach - New Guinea
- Eurycentrum salomonenseSchltr. in K.M.Schumann & C.A.G.Lauterbach - Solomons, Vanuatu, Santa Cruz Islands

Eurychone is a genus of flowering plants from the orchid family, Orchidaceae. The genus was founded in 1918 by Rudolf Schlechter. It contains two known species, both native to tropical Africa.
Hippeophyllum is a genus of flowering plants from the orchid family, Orchidaceae. It is native to New Guinea, insular Southeast Asia, and the Solomon Islands.
- Hippeophyllum albovirideJ.J.Sm. - New Guinea
- Hippeophyllum biakenaeJ.J.Sm. - New Guinea
- Hippeophyllum celebicumSchltr. - Sulawesi
- Hippeophyllum halmaherenseJ.J.Sm. - Halmahera
- Hippeophyllum hamadryas(Ridl.) Schltr. in K.M.Schumann & C.A.G.Lauterbach - New Guinea
- Hippeophyllum micranthumSchltr. in K.M.Schumann & C.A.G.Lauterbach - New Guinea, Solomon Islands
- Hippeophyllum papillosumSchltr. - New Guinea
- Hippeophyllum scortechinii(Hook.f.) Schltr. - Borneo, Java, Malaysia, Sulawesi, Sumatra
- Hippeophyllum sulenseJ.J.Sm. - Sula Islands in Maluku
- Hippeophyllum wenzeliiAmes - Leyte

Mediocalcar is a genus of flowering plants from the orchid family, Orchidaceae. It is native to New Guinea, eastern Indonesia, and the islands of the western Pacific. The orchid abbreviation is Med.
- Mediocalcar agathodaemonisJ.J.Sm.
- Mediocalcar arfakenseJ.J.Sm.
- Mediocalcar bifoliumJ.J.Sm.
- Mediocalcar brachygeniumSchltr.
- Mediocalcar bulbophylloidesJ.J.Sm.
- Mediocalcar congestumSchuit.
- Mediocalcar crenulatumJ.J.Sm.
- Mediocalcar decoratumSchuit.
- Mediocalcar geniculatumJ.J.Sm.
- Mediocalcar papuanumR.S.Rogers
- Mediocalcar paradoxum(Kraenzl.) Schltr.
- Mediocalcar pygmaeumSchltr.
- Mediocalcar stevenscoodeiP.Royen
- Mediocalcar subteresSchuit.
- Mediocalcar umboienseSchuit.
- Mediocalcar uniflorumSchltr.
- Mediocalcar versteegiiJ.J.Sm.

Megalorchis is a genus of flowering plants from the orchid family, Orchidaceae.

Megastylis is a genus of flowering plants from the orchid family, Orchidaceae. It contains 6 known species, all native to Vanuatu and New Caledonia.
- Megastylis gigas(Rchb.f.) Schltr.
- Megastylis latilabris(Schltr.) Schltr.
- Megastylis latissima(Schltr.) Schltr.
- Megastylis montana(Schltr.) Schltr.
- Megastylis paradoxa(Kraenzl.) N.Hallé
- Megastylis rara(Schltr.) Schltr.
Mesadenus is a genus of flowering plants from the orchid family, Orchidaceae. It contains 6 currently recognized species, native to Mexico, Central America, the West Indies, Brazil and Florida.
- Mesadenus chiangii(M.C.Johnst.) Garay - Coahuila
- Mesadenus glaziovii(Cogn.) Schltr. - Rio de Janeiro
- Mesadenus lucayanus(Britton) Schltr. - widespread across Mexico, Florida, Guatemala, West Indies
- Mesadenus polyanthus(Rchb.f.) Schltr. - Mexico, Belize
- Mesadenus rhombiglossus(Pabst) Garay - Minas Gerais
- Mesadenus tenuissimus(L.O.Williams) Garay - Morelos

Polystachya neobenthamia is a species of flowering plants from the orchid family, Orchidaceae. It is terrestrial, lithophilic and grows among leaf litter and other detritus on rock faces. It is endemic to Tanzania.

Neobolusia is a genus of flowering plants from the orchid family, Orchidaceae. It contains 3 known species, all native to eastern and southern Africa.

Oreorchis is a genus of flowering plants from the orchid family, Orchidaceae. It is native to Asia. Species currently accepted as of June 2014:
- Oreorchis angustataL.O.Williams ex N.Pearce & P.J.Cribb - Sichuan, Yunnan
- Oreorchis aurantiacaP.J.Cribb & N.Pearce - Myanmar
- Oreorchis bilamellataFukuy. - Taiwan
- Oreorchis discigeraW.W.Sm. - Myanmar
- Oreorchis erythrochryseaHand.-Mazz. - Tibet, Sichuan, Yunnan
- Oreorchis fargesiiFinet - Fujian, Gansu, Hubei, Hunan, Shaanxi, Sichuan, Taiwan, Yunnan, Zhejiang
- Oreorchis foliosa(Lindl.) Lindl. - India, Assam, Nepal, Bhutan, Myanmar, Tibet, Sichuan, Taiwan, Yunnan
- Oreorchis itoana(F.Maek.) Perner - Honshu
- Oreorchis micranthaLindl. - Tibet, Taiwan, Assam, India, Bhutan, Nepal, Myanmar
- Oreorchis nanaSchltr. - Sichuan, Yunnan, Hubei
- Oreorchis nepalensisN.Pearce & P.J.Cribb - Nepal, Tibet
- Oreorchis oliganthaSchltr. - Gansu, Sichuan, Tibet, Yunnan
- Oreorchis parvulaSchltr. - Sichuan, Yunnan
- Oreorchis patens(Lindl.) Lindl. - Japan, Korea, Russian Far East, China
- Oreorchis porphyranthesTuyama - Nepal
- Oreorchis sanguinea(N.Pearce & P.J.Cribb) N.Pearce & P.J.Cribb - Bhutan
Platylepis is a genus of flowering plants from the orchid family, Orchidaceae. It is widespread across sub-Saharan Africa and also on various islands of the Pacific and Indian Oceans.
- Platylepis bigibbosaH.Perrier - Madagascar
- Platylepis bombusJ.J.Sm. - Seram
- Platylepis commelynae(Lindl.) Rchb.f. - Society Islands
- Platylepis constricta(J.J.Sm.) J.J.Sm. - New Guinea
- Platylepis densifloraRolfe - Réunion
- Platylepis geluana(Schltr.) Schuit. & de Vogel - New Guinea
- Platylepis glandulosa(Lindl.) Rchb.f. - widespread across tropical and southern Africa
- Platylepis grandiflora(Schltr.) Ormerod - New Caledonia, Vanuatu, Futuna
- Platylepis heteromorphaRchb.f. - Samoa
- Platylepis intricataSchuit. & de Vogel - Papua New Guinea
- Platylepis lamellataSchltr. - New Guinea
- Platylepis margaritiferaSchltr. - Madagascar
- Platylepis occulta(Thouars) Rchb.f. - Madagascar, Réunion, Mauritius, Seychelles
- Platylepis polyadeniaRchb.f. - Madagascar, Comoros
- Platylepis rufa(Frapp.) Schltr. - Réunion
- Platylepis tidorensisJ.J.Sm. - Maluku
- Platylepis viscosa(Rchb.f.) Schltr. - Réunion
- Platylepis xerosteleOrmerod - Cameroon
- Platylepis zeuxinoidesSchltr. - New Guinea