| Scientific Name | Authority | Status |
|---|---|---|
| Acianthera | Scheidw. | accepted |
| Acianthera purpurascens | (Luer & Hirtz) Karremans | accepted |
| Acianthera odontotepala | (Rchb.f.) Luer | accepted |
| Acianthera atroglossa | (Loefgr.) F.Barros & L.R.S.Guim. | accepted |
| Acianthera obscura | (A.Rich. & Galeotti) Pridgeon & M.W.Chase | accepted |
| Acianthera juxtaposita | (Luer) Luer | accepted |
| Acianthera ellipsophylla | (L.O.Williams) Pridgeon & M.W.Chase | accepted |
| Acianthera scalpricaulis | (Luer) Pridgeon & M.W.Chase | accepted |
| Acianthera macuconensis | (Barb.Rodr.) F.Barros | accepted |
| Acianthera bidentula | (Barb.Rodr.) Pridgeon & M.W.Chase | accepted |
| Acianthera fenestrata | (Barb.Rodr.) Pridgeon & M.W.Chase | accepted |
| Acianthera quisqueyana | (Dod) A.Doucette | accepted |
| Acianthera marleniae | Damian, Chiron & Mitidieri | accepted |
| Acianthera rinkei | Luer | accepted |
| Acianthera adeodata | P.Ortiz, O.Pérez & E.Parra | accepted |
| Acianthera pavimentata | (Rchb.f.) Pridgeon & M.W.Chase | accepted |
| Acianthera johnsonii | (Ames) Pridgeon & M.W.Chase | accepted |
| Acianthera oligantha | (Barb.Rodr.) F.Barros | accepted |
| Acianthera echinocarpa | (C.Schweinf.) A.Doucette | accepted |
| Acianthera duartei | (Hoehne) Pridgeon & M.W.Chase | accepted |
| Acianthera langeana | (Kraenzl.) Pridgeon & M.W.Chase | accepted |
| Acianthera hamata | Pupulin & G.A.Rojas | accepted |
| Acianthera sicula | (Luer & R.Vásquez) Luer | accepted |
| Acianthera beyrodtiana | (Kraenzl.) Karremans | accepted |
| Acianthera cabiriae | Pupulin, G.A.Rojas & J.D.Zuñiga | accepted |
| Acianthera zumbae | (Luer & Hirtz) Luer | accepted |
| Acianthera villahermosae | Sierra-Ariza, Rinc.-González & Karremans | accepted |
| Acianthera cryptophoranthoides | (Loefgr.) F.Barros | accepted |
| Acianthera sandaliorum | (G.A.Romero & Carnevali) Luer | accepted |
| Acianthera serrulata | (Barb.Rodr.) Karremans | accepted |
| Acianthera hirtzii | (Luer) Karremans & Rinc.-González | accepted |
| Acianthera sotoana | Solano | accepted |
| Acianthera welsiae-windischiae | (Pabst) Pridgeon & M.W.Chase | accepted |
| Acianthera morenoi | (Luer) Pridgeon & M.W.Chase | accepted |
| Acianthera adirii | (Brade) Pridgeon & M.W.Chase | accepted |
| Acianthera consatae | (Luer & R.Vásquez) Luer | accepted |
| Acianthera serpentula | (Barb.Rodr.) F.Barros | accepted |
| Acianthera rostellata | (Barb.Rodr.) Luer | accepted |
| Acianthera wyvern | (Luer & R.Escobar) Pridgeon & M.W.Chase | accepted |
| Acianthera compressicaulis | (Dod) Pridgeon & M.W.Chase | accepted |
| Acianthera limae | (Porto & Brade) Pridgeon & M.W.Chase | accepted |
| Acianthera catujiensis | Campacci & C.R.M.Silva | accepted |
| Acianthera strupifolia | (Lindl.) Pridgeon & M.W.Chase | accepted |
| Acianthera angustifolia | (Lindl.) Luer | accepted |
| Acianthera wageneriana | (Klotzsch) Pridgeon & M.W.Chase | accepted |
| Acianthera hastulata | (Rchb.f. & Warm.) Karremans | accepted |
| Acianthera erebatensis | (Carnevali & G.A.Romero) Luer | accepted |
| Acianthera bicornuta | (Barb.Rodr.) Pridgeon & M.W.Chase | accepted |
| Acianthera cordatifolia | (Dod) Pridgeon & M.W.Chase | accepted |
| Acianthera parva | (Rolfe) F.Barros & L.R.S.Guim. | accepted |
| Acianthera cryptantha | (Barb.Rodr.) Pridgeon & M.W.Chase | accepted |
| Acianthera pacayana | (Schltr.) Solano & Soto Arenas | accepted |
| Acianthera klotzschiana | (Rchb.f.) Pridgeon & M.W.Chase | accepted |
| Acianthera violacea | (A.Rich. & Galeotti) Pridgeon & M.W.Chase | accepted |
| Acianthera heteropetala | (Luer) Pridgeon & M.W.Chase | accepted |
| Acianthera pantasmoides | (C.Schweinf.) Pridgeon & M.W.Chase | accepted |
| Acianthera hatschbachii | (Schltr.) Chiron & Van den Berg | accepted |
| Acianthera glumacea | (Lindl.) Pridgeon & M.W.Chase | accepted |
| Acianthera caucanensis | Uribe Vélez, Sauleda & Szlach. | accepted |
| Acianthera tikalensis | (Correll & C.Schweinf.) Pridgeon & M.W.Chase | accepted |
| Acianthera lojae | (Schltr.) Luer | accepted |
| Acianthera pardipes | (Rchb.f.) Pridgeon & M.W.Chase | accepted |
| Acianthera hirtipes | (Schltr.) Rojas-Alv. & Karremans | accepted |
| Acianthera atropurpurea | (Barb.Rodr.) Chiron & Van den Berg | accepted |
| Acianthera hintonii | (L.O.Williams) A.Doucette | accepted |
| Acianthera exarticulata | (Barb.Rodr.) Pridgeon & M.W.Chase | accepted |
| Acianthera decurrens | (Poepp. & Endl.) Pridgeon & M.W.Chase | accepted |
| Acianthera fumioi | (T.Hashim.) Luer | accepted |
| Acianthera portilloi | (Luer & R.Escobar) Karremans & Rinc.-González | accepted |
| Acianthera sulcata | (Porsch) F.Barros & V.T.Rodrigues | accepted |
| Acianthera macropoda | (Barb.Rodr.) Pridgeon & M.W.Chase | accepted |
| Acianthera granitica | (Luer & G.A.Romero) Luer | accepted |
| Acianthera macilenta | Luer & Hirtz | accepted |
| Acianthera calopedilon | Toscano & Luer | accepted |
| Acianthera miqueliana | (H.Focke) Pridgeon & M.W.Chase | accepted |
| Acianthera quadricristata | (Luer & Hirtz) Luer | accepted |
| Acianthera chrysantha | (Lindl.) Pridgeon & M.W.Chase | accepted |
| Acianthera herzogii | (Schltr.) Baumbach | accepted |
| Acianthera pubescens | (Lindl.) Pridgeon & M.W.Chase | accepted |
| Acianthera mantiquyrana | (Barb.Rodr.) V.T.Rodrigues & F.Barros | accepted |
| Acianthera trichophora | (Lindl.) A.Doucette | accepted |
| Acianthera imitator | Toscano, Luer & L.Kollmann | accepted |
| Acianthera mendozae | Luer | accepted |
| Acianthera breviflora | (Lindl.) Luer | accepted |
| Acianthera hoffmannseggiana | (Rchb.f.) F.Barros | accepted |
| Acianthera prolifera | (Herb. ex Lindl.) Pridgeon & M.W.Chase | accepted |
| Acianthera tunguraguae | (F.Lehm. & Kraenzl.) A.Doucette | accepted |
| Acianthera platystachys | (Regel) Chiron & Van den Berg | accepted |
| Acianthera chamelopoda | (Luer) Luer | accepted |
| Acianthera heliconiscapa | (Hoehne) F.Barros | accepted |
| Acianthera quadriserrata | (Luer) Pridgeon & M.W.Chase | accepted |
| Acianthera madisonii | (Luer) Pridgeon & M.W.Chase | accepted |
| Acianthera angustisepala | (Ames & Correll) Pridgeon & M.W.Chase | accepted |
| Acianthera saraca-taquerensis | Campacci & J.B.F.Silva | accepted |
| Acianthera alainii | (Dod) A.Doucette | accepted |
| Acianthera bidentata | (Lindl.) F.Barros & V.T.Rodrigues | accepted |
| Acianthera wawraeana | (Barb.Rodr.) F.Barros & V.T.Rodrigues | accepted |
| Acianthera pazii | Luer | accepted |
| Acianthera erosa | (Urb.) A.Doucette | accepted |
| Acianthera heliconioides | (Luer & R.Vásquez) Pridgeon & M.W.Chase | accepted |
| Acianthera nemorosa | (Barb.Rodr.) F.Barros | accepted |
| Acianthera amandae | Campacci & C.R.M.Silva | accepted |
| Acianthera marquesii | Luer & Toscano | accepted |
| Acianthera brunnescens | (Schltr.) Karremans | accepted |
| Acianthera ofella | (Luer) Pridgeon & M.W.Chase | accepted |
| Acianthera agathophylla | (Rchb.f.) Pridgeon & M.W.Chase | accepted |
| Acianthera sicariopsis | (Luer) Pridgeon & M.W.Chase | accepted |
| Acianthera hartwegiifolia | (H.Wendl. & Kraenzl.) Solano & Soto Arenas | accepted |
| Acianthera hondurensis | (Ames) Pridgeon & M.W.Chase | accepted |
| Acianthera glanduligera | (Lindl.) Luer | accepted |
| Acianthera carcinopsis | Luer & Sijm | accepted |
| Acianthera caymanensis | (C.D.Adams) Karremans | accepted |
| Acianthera wilsonii | (Lindl.) Pridgeon & M.W.Chase | accepted |
| Acianthera rubroviridis | (Lindl.) Pridgeon & M.W.Chase | accepted |
| Acianthera garciae | (Luer) Pridgeon & M.W.Chase | accepted |
| Acianthera minuta | (Rolfe) Karremans | accepted |
| Acianthera johannensis | (Barb.Rodr.) Pridgeon & M.W.Chase | accepted |
| Acianthera cogniauxiana | (Schltr.) Pridgeon & M.W.Chase | accepted |
| Acianthera capillaris | (Lindl.) Pridgeon & M.W.Chase | accepted |
| Acianthera scabripes | (Lindl.) Karremans | accepted |
| Acianthera gouveiae | (A.Samp.) F.Barros & L.R.S.Guim. | accepted |
| Acianthera simpliciflora | (Dod) A.Doucette | accepted |
| Acianthera punctatiflora | (Luer) Pridgeon & M.W.Chase | accepted |
| Acianthera oricola | (H.Stenzel) Karremans, Chiron & Van den Berg | accepted |
| Acianthera acuminatipetala | (A.Samp.) Luer | accepted |
| Acianthera sonderiana | (Rchb.f.) Pridgeon & M.W.Chase | accepted |
| Acianthera aculeata | (Luer & Hirtz) Luer | accepted |
| Acianthera micrantha | (Barb.Rodr.) Pridgeon & M.W.Chase | accepted |
| Acianthera prognatha | (Luer & R.Escobar) Pridgeon & M.W.Chase | accepted |
| Acianthera sulphurea | (Barb.Rodr.) F.Barros & V.T.Rodrigues | accepted |
| Acianthera rodolfovasquezii | Damian | accepted |
| Acianthera modestissima | (Rchb.f. & Warm.) Pridgeon & M.W.Chase | accepted |
| Acianthera marumbyana | (Garay) Luer | accepted |
| Acianthera auriculata | (Lindl.) Pridgeon & M.W.Chase | accepted |
| Acianthera cephalopodiglossa | Toscano & Luer | accepted |
| Acianthera montana | (Barb.Rodr.) F.Barros & L.R.S.Guim. | accepted |
| Acianthera moronae | (Luer & Hirtz) Luer | accepted |
| Acianthera calypso | (Luer) Karremans & Rinc.-González | accepted |
| Acianthera phrynoglossa | (Luer & Hirtz) A.Doucette | accepted |
| Acianthera rodriguesii | (Cogn.) Pridgeon & M.W.Chase | accepted |
| Acianthera foetens | (Lindl.) Chiron & Van den Berg | accepted |
| Acianthera subrotundifolia | (Cogn.) F.Barros & V.T.Rodrigues | accepted |
| Acianthera sicaria | (Lindl.) Pridgeon & M.W.Chase | accepted |
| Acianthera dodsonii | (Luer) Karremans & Rinc.-González | accepted |
| Acianthera toachica | (Luer & Dodson) Luer | accepted |
| Acianthera gigantea | (Lindl.) A.Doucette | accepted |
| Acianthera paradoxa | (Luer & Dalström) Karremans | accepted |
| Acianthera carinata | (C.Schweinf.) Luer | accepted |
| Acianthera serrulatipetala | (Barb.Rodr.) Pridgeon & M.W.Chase | accepted |
| Acianthera viridis | (Luer & Hirtz) Luer | accepted |
| Acianthera minima | (Cogn.) F.Barros | accepted |
| Acianthera nikoleae | A.Doucette & J.Portilla | accepted |
| Acianthera tanyae | Luer & Cornejo | accepted |
| Acianthera tricarinata | (Poepp. & Endl.) Pridgeon & M.W.Chase | accepted |
| Acianthera unguicallosa | (Ames & C.Schweinf.) Solano | accepted |
| Acianthera bragae | (Ruschi) F.Barros | accepted |
| Acianthera per-dusenii | (Hoehne) F.Barros & L.R.S.Guim. | accepted |
| Acianthera teres | (Lindl.) Borba | accepted |
| Acianthera berlinensis | Damian, Chiron, Mitidieri & Rimarachin | accepted |
| Acianthera bicarinata | (Lindl.) Pridgeon & M.W.Chase | accepted |
| Acianthera albiflora | (Barb.Rodr.) Karremans | accepted |
| Acianthera bissei | (Luer) Luer | accepted |
| Acianthera capanemae | (Barb.Rodr.) Pridgeon & M.W.Chase | accepted |
| Acianthera pectinata | (Lindl.) Pridgeon & M.W.Chase | accepted |
| Acianthera verecunda | (Schltr.) Pridgeon & M.W.Chase | accepted |
| Acianthera inaequalis | (Lindl.) F.Barros & L.R.S.Guim. | accepted |
| Acianthera bahorucensis | (Luer) A.Doucette | accepted |
| Acianthera lepidota | (L.O.Williams) Pridgeon & M.W.Chase | accepted |
| Acianthera morilloi | (Carnevali & I.Ramírez) Luer | accepted |
| Acianthera polystachya | (Ruiz & Pav.) Pupulin | accepted |
| Acianthera fornograndensis | L.Kollmann & A.P.Fontana | accepted |
| Acianthera ericae | Luer | accepted |
| Acianthera oscitans | (Ames) Pridgeon & M.W.Chase | accepted |
| Acianthera aphthosa | (Lindl.) Pridgeon & M.W.Chase | accepted |
| Acianthera greenwoodii | Soto Arenas | accepted |
| Acianthera lappago | (Luer) A.Doucette | accepted |
| Acianthera melanochthoda | (Luer & Hirtz) Pridgeon & M.W.Chase | accepted |
| Acianthera denticulata | (Cogn.) Karremans | accepted |
| Acianthera panduripetala | (Barb.Rodr.) Pridgeon & M.W.Chase | accepted |
| Acianthera omissa | (Luer) Pridgeon & M.W.Chase | accepted |
| Acianthera phoenicoptera | (Carnevali & G.A.Romero) Luer | accepted |
| Acianthera saundersiana | (Rchb.f.) Pridgeon & M.W.Chase | accepted |
| Acianthera pariaensis | (Carnevali & G.A.Romero) Carnevali & G.A.Romero | accepted |
| Acianthera papillosa | (Lindl.) Pridgeon & M.W.Chase | accepted |
| Acianthera discophylla | (Luer & Carnevali) Luer | accepted |
| Acianthera ochreata | (Lindl.) Pridgeon & M.W.Chase | accepted |
| Acianthera ruizii | Damian | accepted |
| Acianthera melanoglossa | (Luer & R.Escobar) Luer | accepted |
| Acianthera caparaoensis | (Brade) Pridgeon & M.W.Chase | accepted |
| Acianthera tokachii | (Luer) Luer | accepted |
| Acianthera serratifolia | Rinc.-González & Karremans | accepted |
| Acianthera gracilisepala | (Brade) Luer | accepted |
| Acianthera breedlovei | Soto Arenas, Solano & Salazar | accepted |
| Acianthera butcheri | (L.O.Williams) Pridgeon & M.W.Chase | accepted |
| Acianthera lueri | Kolan. & Szlach. | accepted |
| Acianthera pollardiana | Solano | accepted |
| Acianthera klingelfusii | Luer, Toscano & Baptista | accepted |
| Acianthera hygrophila | (Barb.Rodr.) Pridgeon & M.W.Chase | accepted |
| Acianthera barthelemyi | (Luer) Karremans | accepted |
| Acianthera dubbeldamii | Luer & Sijm | accepted |
| Acianthera yauaperyensis | (Barb.Rodr.) Pridgeon & M.W.Chase | accepted |
| Acianthera stenzelii | Luer | accepted |
| Acianthera jordanensis | (Brade) F.Barros | accepted |
| Acianthera litensis | (Luer & Hirtz) Luer | accepted |
| Acianthera purpureoviolacea | (Cogn.) F.Barros | accepted |
| Acianthera aberrans | (Luer) Pupulin & Bogarín | accepted |
| Acianthera muscicola | (Barb.Rodr.) Pridgeon & M.W.Chase | accepted |
| Acianthera ramosa | (Barb.Rodr.) F.Barros | accepted |
| Acianthera bibarbellata | (Kraenzl.) F.Barros & L.R.S.Guim. | accepted |
| Acianthera esmeraldae | (Luer & Hirtz) Luer | accepted |
| Acianthera cerberus | (Luer & R.Vásquez) Pridgeon & M.W.Chase | accepted |
| Acianthera deserta | (Luer & R.Vásquez) Luer | accepted |
| Acianthera albopurpurea | (Kraenzl.) Chiron & Van den Berg | accepted |
| Acianthera erinacea | (Rchb.f.) A.Doucette | accepted |
| Acianthera nellyae | (P.Ortiz) Karremans | accepted |
| Acianthera similis | (Schltr.) Karremans, Chiron & Van den Berg | accepted |
| Acianthera malachantha | (Rchb.f.) Pridgeon & M.W.Chase | accepted |
| Acianthera saurocephala | (G.Lodd.) Pridgeon & M.W.Chase | accepted |
| Acianthera testifolia | (Sw.) Solano | accepted |
| Acianthera costaricensis | (Schltr.) Pupulin & Karremans | accepted |
| Acianthera ortizii | Uribe Vélez, Sauleda & Szlach. | accepted |
| Acianthera ciliata | (Knowles & Westc.) F.Barros & L.R.S.Guim. | accepted |
| Acianthera thysana | (Luer & J.Portilla) Karremans | accepted |
| Acianthera brachiloba | (Hoehne) Pridgeon & M.W.Chase | accepted |
| Acianthera prostrata | (Lindl.) A.Doucette | accepted |
| Acianthera magalhanesii | (Pabst) F.Barros | accepted |
| Acianthera freyi | (Luer) F.Barros & V.T.Rodrigues | accepted |
| Acianthera muscosa | (Barb.Rodr.) Pridgeon & M.W.Chase | accepted |
| Acianthera dutrae | (Pabst) C.N.Gonç. & Waechter | accepted |
| Acianthera leptotifolia | (Barb.Rodr.) Pridgeon & M.W.Chase | accepted |
| Acianthera aechme | (Luer) Pridgeon & M.W.Chase | accepted |
| Acianthera mexiae | (Luer) Pridgeon & M.W.Chase | accepted |
| Acianthera kateora | (Garay) Karremans & Rinc.-González | accepted |
| Acianthera heringeri | (Hoehne) F.Barros | accepted |
| Acianthera crepiniana | (Cogn.) Chiron & Van den Berg | accepted |
| Acianthera myrticola | (Barb.Rodr.) F.Barros & L.R.S.Guim. | accepted |
| Acianthera pantasmi | (Rchb.f.) Pridgeon & M.W.Chase | accepted |
| Acianthera laxa | (Sw.) A.Doucette | accepted |
| Acianthera binotii | (Regel) Pridgeon & M.W.Chase | accepted |
| Acianthera hystrix | (Kraenzl.) F.Barros | accepted |
| Acianthera echinosa | Luer & Toscano | accepted |
| Acianthera tristis | (Barb.Rodr.) Pridgeon & M.W.Chase | accepted |
| Acianthera monophylla | (Hook.) Karremans | accepted |
| Acianthera asaroides | (Kraenzl.) Pridgeon & M.W.Chase | accepted |
| Acianthera bilobulata | Zambrano & Solano | accepted |
| Acianthera murexoidea | (Pabst) Pridgeon & M.W.Chase | accepted |
| Acianthera murex | (Rchb.f.) Luer | accepted |
| Acianthera violaceomaculata | (Hoehne) Pridgeon & M.W.Chase | accepted |
| Acianthera crinita | (Barb.Rodr.) Pridgeon & M.W.Chase | accepted |
| Acianthera luteola | (Lindl.) Pridgeon & M.W.Chase | accepted |
| Acianthera fernandezii | Luer | accepted |
| Acianthera kegelii | (Rchb.f.) Luer | accepted |
| Acianthera fabiobarrosii | (Borba & Semir) F.Barros & F.Pinheiro | accepted |
| Acianthera gracilis | (Barb.Rodr.) F.Barros & L.R.S.Guim. | accepted |
| Acianthera boliviana | (Rchb.f.) Pridgeon & M.W.Chase | accepted |
| Acianthera amaralii | (Pabst) F.Barros & L.R.S.Guim. | accepted |
| Acianthera variegata | (Barb.Rodr.) Campacci | accepted |
| Acianthera crassilabia | (Ames & C.Schweinf.) Luer | accepted |
| Acianthera biceps | (Luer & Hirtz) Luer | accepted |
| Acianthera sigmoidea | (Ames & C.Schweinf.) A.Doucette | accepted |
| Acianthera pernambucensis | (Rolfe) F.Barros | accepted |
| Acianthera adamantinensis | (Brade) F.Barros | accepted |
| Acianthera melachila | (Barb.Rodr.) Luer | accepted |
| Acianthera majakoluckae | Soto Arenas & Solano | accepted |
| Acianthera cachensis | (Ames) Karremans | accepted |
| Acianthera bryonii | Luer | accepted |
| Acianthera fockei | (Lindl.) Pridgeon & M.W.Chase | accepted |
| Acianthera costabilis | (Luer & R.Vásquez) Luer | accepted |
| Acianthera geminicaulina | (Ames) Pridgeon & M.W.Chase | accepted |
| Acianthera pendens | (Dod) A.Doucette | accepted |
| Acianthera octophrys | (Rchb.f.) Pridgeon & M.W.Chase | accepted |
| Acianthera alpestris | (Sw.) A.Doucette | accepted |
| Acianthera appendiculata | (Cogn.) A.Doucette | accepted |
| Acianthera recurva | (Lindl.) Pridgeon & M.W.Chase | accepted |
| Acianthera venulosa | Luer | accepted |
| Acianthera kautskyi | (Pabst) Toscano & E.C.Smidt | accepted |
| Acianthera fecunda | Pupulin, G.A.Rojas & J.D.Zuñiga | accepted |
| Acianthera sarcosepala | (Carnevali & I.Ramírez) Carnevali & G.A.Romero | accepted |
| Acianthera rodrigoi | (Luer) Luer | accepted |
| Acianthera chionopa | (Luer) Pridgeon & M.W.Chase | accepted |
| Acianthera hagsateri | O.Pérez, L.Oses & Bogarín | accepted |
| Acianthera translucida | (Barb.Rodr.) Luer | accepted |
| Acianthera punicea | (Luer) Pridgeon & M.W.Chase | accepted |
| Acianthera lamia | (Luer) Pridgeon & M.W.Chase | accepted |
| Acianthera eximia | (L.O.Williams) Solano | accepted |
| Acianthera exdrasii | (Luer & Toscano) Luer | accepted |
| Acianthera sudae | J.Ponert, Chumová, Mandáková & P.Trávn. | accepted |
| Acianthera cremasta | (Luer & J.Portilla) Luer | accepted |
| Acianthera hirsutula | (Fawc. & Rendle) Pridgeon & M.W.Chase | accepted |
| Acianthera erythrogramma | (Luer & Carnevali) Luer | accepted |
| Acianthera herrerae | (Luer) Solano & Soto Arenas | accepted |
| Acianthera henrici | (Schltr.) Luer | accepted |
| Acianthera krahnii | Luer & Vásquez | accepted |
| Acianthera privigna | (Luer) A.Doucette | accepted |
| Acianthera maculiglossa | Chiron & N.Sanson | accepted |
| Acianthera decipiens | (Ames & C.Schweinf.) Pridgeon & M.W.Chase | accepted |
| Acianthera rzedowskiorum | Solano & Karremans | accepted |
| Acianthera cornejoi | Luer | accepted |
| Acianthera pustulata | Zambrano & Solano | accepted |
| Acianthera caldensis | (Hoehne & Schltr.) F.Barros | accepted |
| Acianthera circumplexa | (Lindl.) Pridgeon & M.W.Chase | accepted |
| Acianthera silvae | (Luer & Toscano) Luer | accepted |
| Acianthera amsleri | Rykacz., Driessen & Kolan. | accepted |
| Acianthera alligatorifera | (Rchb.f.) Pridgeon & M.W.Chase | synonym |
| Acianthera atrata | Chiron & Xim.Bols. | synonym |
| Acianthera aveniformis | (Hoehne) C.N.Gonç. & Waechter | synonym |
| Acianthera aurantiaca | (Barb.Rodr.) Campacci | synonym |
| Acianthera miguelii | (Schltr.) Luer | synonym |
| Acianthera guimaraensii | (Brade) F.Barros | synonym |
| Acianthera neibana | (Dod) Pridgeon & M.W.Chase | synonym |
| Acianthera velteniana | Chiron & Xim.Bols. | synonym |
| Acianthera spicata | (Dutra) Pridgeon & M.W.Chase | synonym |
| Acianthera enianthera | Chiron & Xim.Bols. | synonym |
| Acianthera dichroa | (Rchb.f.) F.Barros & L.R.S.Guim. | synonym |
| Acianthera dasychila | (Luer) Carnevali & G.A.Romero | synonym |
| Acianthera juergensii | (Schltr.) F.Barros | synonym |
| Acianthera neojuergensii | (Luer) Pridgeon & M.W.Chase | synonym |
| Acianthera markii | Archila | synonym |
| Acianthera florosa | (Luer) Pridgeon & M.W.Chase | synonym |
| Acianthera citrophila | (Luer) Pridgeon & M.W.Chase | synonym |
| Acianthera aurantiolateritia | (Speg.) Pridgeon & M.W.Chase | synonym |
| Acianthera rhabdosepala | (Schltr.) Chiron & Van den Berg | synonym |
| Acianthera subulifolia | (Kraenzl.) Chiron & Van den Berg | synonym |
| Acianthera spilantha | (Barb.Rodr.) Luer | synonym |
| Acianthera hamosa | (Barb.Rodr.) Pridgeon & M.W.Chase | synonym |
| Acianthera javieri | Archila | synonym |
| Acianthera farinosa | (Pabst) Luer | synonym |
| Acianthera gradeae | Chiron & Benelli | synonym |
| Acianthera martinezii | Luer | synonym |
| Acianthera cearensis | (Schltr.) Pridgeon & M.W.Chase | synonym |
| Acianthera iguapensis | (Schltr.) F.Barros | synonym |
| Acianthera cryptoceras | (Rchb.f.) F.Barros | synonym |
| Acianthera cubensis | (Lindl.) Pridgeon & M.W.Chase | synonym |
| Acianthera congruens | (Luer) Pridgeon & M.W.Chase | synonym |
| Acianthera floribunda | (Lindl.) F.Barros | synonym |
| Acianthera longicaulis | (Lindl.) Pridgeon & M.W.Chase | synonym |
| Acianthera sieberi | (Luer) Pridgeon & M.W.Chase | synonym |
| Acianthera punctata | (Barb.Rodr.) F.Barros | ambiguous synonym |
| Acianthera compressiflora | (Barb.Rodr.) Chiron & Van den Berg | synonym |
| Acianthera ophiantha | (Cogn.) Pridgeon & M.W.Chase | synonym |
| Acianthera alpina | (Ames) Pridgeon & M.W.Chase | synonym |
| Acianthera minimifolia | (Luer) Pridgeon & M.W.Chase | synonym |
| Acianthera sarracenia | (Luer) Pridgeon & M.W.Chase | synonym |
| Acianthera rupestris | (Lindl.) F.Barros | synonym |
| Acianthera phyllostachys | (Schltr.) Pridgeon & M.W.Chase | synonym |
| Acianthera harpophylla | (Rchb.f.) Luer | synonym |
| Acianthera casapensis | (Lindl.) Pridgeon & M.W.Chase | synonym |
| Acianthera coffeicola | (Schltr.) Pridgeon & M.W.Chase | synonym |
| Acianthera chamensis | (Lindl.) Pridgeon & M.W.Chase | synonym |
| Acianthera parvula | (Ames & C.Schweinf.) A.Doucette | synonym |
| Acianthera doucettei | Kutz | synonym |
| Acianthera insularis | (Hoehne & Schltr.) Luer | synonym |
| Acianthera ochreata ssp. cylindrifolia | (Borba & Semir) Borba | accepted |
| Acianthera ochreata ssp. ochreata | accepted | |
| Acianthera antennata | (Garay) Pridgeon & M.W.Chase | synonym |
| Acianthera barbacenensis | (Barb.Rodr.) Pridgeon & M.W.Chase | synonym |
| Acianthera consimilis | (Ames) Pridgeon & M.W.Chase | synonym |
| Acianthera neojordanensis | (Luer) Pridgeon & M.W.Chase | synonym |
| Acianthera lanceana | (G.Lodd. ex Lindl.) Pridgeon & M.W.Chase | synonym |
| Acianthera bohnkiana | Campacci & Baptista | synonym |
| Acianthera raduliglossa | (Pabst) Pridgeon & M.W.Chase | synonym |
| Acianthera papulifolia | (Luer) Luer | synonym |
| Acianthera renipetala | (Barb.Rodr.) Luer | synonym |
| Acianthera alphonsii | Kutz | synonym |
| Pleurothallis acianthera | Lindl. | synonym |
| Humboltia acianthera | (Lindl.) Kuntze | synonym |
| Acianthera punctata | Scheidw. | ambiguous synonym |
| Acianthera biseta | Luer | synonym |
| Acianthera parahybunensis | (Barb.Rodr.) Luer | synonym |
| Acianthera alborosea | (Kraenzl.) Luer | synonym |
| Acianthera karlii | (Pabst) C.N.Gonç. & Waechter | synonym |
| Acianthera cymbiformis | (Dod) Pridgeon & M.W.Chase | synonym |
| Acianthera cristata | (Barb.Rodr.) Luer | synonym |
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