| Prosthechea abbreviata (Schltr.) W.E.Higgins | Accepted |  | WCSP | 
	
		| Prosthechea aemula (Lindl.) W.E.Higgins | Accepted |  | WCSP | 
	
		| Prosthechea alagoensis (Pabst) W.E.Higgins | Accepted |  | WCSP | 
	
		| Prosthechea allemanii (Barb.Rodr.) W.E.Higgins | Accepted |  | WCSP | 
	
		| Prosthechea allemanoides (Hoehne) W.E.Higgins | Accepted |  | WCSP | 
	
		| Prosthechea aloisii (Schltr.) Dodson & Hágsater | Accepted |  | WCSP | 
	
		| Prosthechea apuahuensis (Mansf.) M.E.Berg | Accepted |  | WCSP | 
	
		| Prosthechea arminii (Rchb.f.) Withner & P.A.Harding | Accepted |  | WCSP | 
	
		| Prosthechea baculus (Rchb.f.) W.E.Higgins | Accepted |  | WCSP | 
	
		| Prosthechea barbozae Pupulin | Accepted |  | WCSP | 
	
		| Prosthechea bennettii (Christenson) W.E.Higgins | Accepted |  | WCSP | 
	
		| Prosthechea bicamerata (Rchb.f.) W.E.Higgins | Accepted |  | WCSP | 
	
		| Prosthechea bidentata W.E. Higgins | Unresolved |  | TRO | 
	
		| Prosthechea bohnkiana V.P.Castro & G.F.Carr | Accepted |  | WCSP | 
	
		| Prosthechea boothiana (Lindl.) W.E.Higgins | Accepted |  | WCSP | 
	
		| Prosthechea boothiana var. erythronioides (Small) Nir | Synonym |  | WCSP | 
	
		| Prosthechea borsiana (Campacci) Campacci | Accepted |  | WCSP | 
	
		| Prosthechea brachiata (A.Rich. & Galeotti) W.E.Higgins | Accepted |  | WCSP | 
	
		| Prosthechea brachychila (Lindl.) W.E.Higgins | Accepted |  | WCSP | 
	
		| Prosthechea brassavolae (Rchb.f.) W.E.Higgins | Accepted |  | WCSP | 
	
		| Prosthechea bueraremensis (Campacci) Campacci | Accepted |  | WCSP | 
	
		| Prosthechea bulbosa (Vell.) W.E.Higgins | Accepted |  | WCSP | 
	
		| Prosthechea caetensis (Bicalho) W.E.Higgins | Accepted |  | WCSP | 
	
		| Prosthechea calamaria (Lindl.) W.E.Higgins | Accepted |  | WCSP | 
	
		| Prosthechea campos-portoi (Pabst) W.E.Higgins | Accepted |  | WCSP | 
	
		| Prosthechea campylostalix (Rchb.f.) W.E.Higgins | Accepted |  | WCSP | 
	
		| Prosthechea carrii V.P.Castro & Campacci | Accepted |  | WCSP | 
	
		| Prosthechea chacaoensis (Rchb.f.) W.E.Higgins | Accepted |  | WCSP | 
	
		| Prosthechea chimborazoensis (Schltr.) W.E.Higgins | Synonym |  | WCSP | 
	
		| Prosthechea chondylobulbon (A.Rich. & Galeotti) W.E.Higgins | Accepted |  | WCSP | 
	
		| Prosthechea christensonii (Harding) W.E.Higgins | Unresolved |  | WCSP (in review) | 
	
		| Prosthechea christii (Rchb.f.) Dodson & Hágsater | Synonym |  | WCSP | 
	
		| Prosthechea christyana (Rchb.f.) Garay & Withner | Accepted |  | WCSP | 
	
		| Prosthechea citrina (Lex.) W.E.Higgins | Accepted |  | WCSP | 
	
		| Prosthechea cochleata (L.) W.E.Higgins | Accepted |  | WCSP | 
	
		| Prosthechea cochleata var. cochleata | Accepted |  | WCSP | 
	
		| Prosthechea cochleata var. grandiflora (Mutel) Christenson | Synonym |  | WCSP | 
	
		| Prosthechea cochleata subsp. triandra (Ames) Nir | Synonym |  | WCSP | 
	
		| Prosthechea cochleata var. triandra (Ames) Hágsater | Accepted |  | WCSP | 
	
		| Prosthechea cochleata var. triandra (Ames) W.E. Higgins | Synonym |  | TRO | 
	
		| Prosthechea concolor (Lex.) W.E.Higgins | Accepted |  | WCSP | 
	
		| Prosthechea confusa (Rolfe) W.E.Higgins | Unresolved |  | WCSP (in review) | 
	
		| Prosthechea crassilabia (Poepp. & Endl.) Carnevali & I.Ramírez | Synonym |  | WCSP | 
	
		| Prosthechea cretacea (Dressler & G.E.Pollard) W.E.Higgins | Accepted |  | WCSP | 
	
		| Prosthechea ebanii Chiron & V.P.Castro | Accepted |  | WCSP | 
	
		| Prosthechea elisae Chiron & V.P.Castro | Accepted |  | WCSP | 
	
		| Prosthechea faresiana (Bicalho) W.E.Higgins | Accepted |  | WCSP | 
	
		| Prosthechea farfanii Christenson | Accepted |  | WCSP | 
	
		| Prosthechea fausta (Rchb.f. ex Cogn.) W.E.Higgins | Accepted |  | WCSP | 
	
		| Prosthechea favoris (Rchb.f.) Salazar & Soto Arenas | Accepted |  | WCSP | 
	
		| Prosthechea fortunae (Dressler) W.E.Higgins | Accepted |  | WCSP | 
	
		| Prosthechea fragrans (Sw.) W.E.Higgins | Accepted |  | WCSP | 
	
		| Prosthechea fuertesii (Cogn.) Christenson | Accepted |  | WCSP | 
	
		| Prosthechea fusca (Schltr.) D.E.Benn. & Christenson | Synonym |  | WCSP | 
	
		| Prosthechea garciana (Garay & Dunst.) W.E.Higgins | Accepted |  | WCSP | 
	
		| Prosthechea ghiesbreghtiana (A.Rich. & Galeotti) W.E.Higgins | Accepted |  | WCSP | 
	
		| Prosthechea gilbertoi (Garay) W.E.Higgins | Accepted |  | WCSP | 
	
		| Prosthechea glauca Knowles & Westc. | Accepted |  | WCSP | 
	
		| Prosthechea glumacea (Lindl.) W.E.Higgins | Accepted |  | WCSP | 
	
		| Prosthechea grammatoglossa (Rchb.f.) W.E.Higgins | Accepted |  | WCSP | 
	
		| Prosthechea greenwoodiana (Aguirre-Olav.) W.E.Higgins | Accepted |  | WCSP | 
	
		| Prosthechea grisebachianum (Cogn.) W.E.Higgins | Synonym |  | WCSP | 
	
		| Prosthechea guttata (Schltr.) Christenson | Accepted |  | WCSP | 
	
		| Prosthechea hajekii D.E.Benn. & Christenson | Accepted |  | WCSP | 
	
		| Prosthechea hartwegii (Lindl.) W.E.Higgins | Accepted |  | WCSP | 
	
		| Prosthechea hastata (Lindl.) W.E.Higgins | Accepted |  | WCSP | 
	
		| Prosthechea hoehnei (A.D.Hawkes) W.E.Higgins | Synonym |  | WCSP | 
	
		| Prosthechea inversa (Lindl.) W.E.Higgins | Synonym |  | WCSP | 
	
		| Prosthechea ionocentra (Rchb.f.) W.E.Higgins | Accepted |  | WCSP | 
	
		| Prosthechea ionophlebia (Rchb.f.) W.E.Higgins | Accepted |  | WCSP | 
	
		| Prosthechea janeirensis (Campacci) W.E.Higgins | Unresolved |  | WCSP (in review) | 
	
		| Prosthechea jauana (Carnevali & I.Ramírez) W.E.Higgins | Accepted |  | WCSP | 
	
		| Prosthechea joaquingarciana Pupulin | Accepted |  | WCSP | 
	
		| Prosthechea kautzkii (Pabst) W.E.Higgins | Accepted |  | WCSP | 
	
		| Prosthechea lambda (Linden & Rchb.f.) W.E.Higgins | Accepted |  | WCSP | 
	
		| Prosthechea latro (Rchb.f. ex Cogn.) V.P.Castro & Chiron | Accepted |  | WCSP | 
	
		| Prosthechea leopardina (Rchb.f.) Dodson & Hágsater | Accepted |  | WCSP | 
	
		| Prosthechea lindenii (Lindl.) W.E.Higgins | Accepted |  | WCSP | 
	
		| Prosthechea linkiana (Klotzsch) W.E.Higgins | Accepted |  | WCSP | 
	
		| Prosthechea livida (Lindl.) W.E.Higgins | Accepted |  | WCSP | 
	
		| Prosthechea longipes (Rchb.f.) Chiron | Synonym |  | WCSP | 
	
		| Prosthechea macrothyrsodes (Rchb.f.) Christenson | Accepted |  | WCSP | 
	
		| Prosthechea maculosa (Ames, F.T.Hubb. & C.Schweinf.) W.E.Higgins | Synonym |  | WCSP | 
	
		| Prosthechea madrensis (Schltr.) Karremans | Unresolved |  | WCSP (in review) | 
	
		| Prosthechea magnispatha (Ames, F.T.Hubb. & C.Schweinf.) W.E.Higgins | Accepted |  | WCSP | 
	
		| Prosthechea marciliana (Campacci) W.E.Higgins | Unresolved |  | WCSP (in review) | 
	
		| Prosthechea mariae (Ames) W.E.Higgins | Accepted |  | WCSP | 
	
		| Prosthechea megahybos (Schltr.) Dodson & Hágsater | Accepted |  | WCSP | 
	
		| Prosthechea mejia (Withner & P.A.Harding) W.E.Higgins | Unresolved |  | WCSP (in review) | 
	
		| Prosthechea michuacana (Lex.) W.E.Higgins | Accepted |  | WCSP | 
	
		| Prosthechea micropus (Rchb.f.) W.E.Higgins | Synonym |  | WCSP | 
	
		| Prosthechea moojenii (Pabst) W.E.Higgins | Accepted |  | WCSP | 
	
		| Prosthechea mulasii Soto Arenas & L.Cerv. | Accepted |  | WCSP | 
	
		| Prosthechea neglecta Pupulin | Accepted |  | WCSP | 
	
		| Prosthechea neurosa (Ames) W.E.Higgins | Accepted |  | WCSP | 
	
		| Prosthechea obpiribulbon (Hágsater) W.E.Higgins | Accepted |  | WCSP | 
	
		| Prosthechea ochracea (Lindl.) W.E.Higgins | Accepted |  | WCSP | 
	
		| Prosthechea ochrantha (A.Rich.) ined. | Accepted |  | WCSP | 
	
		| Prosthechea ortizii (Dressler) W.E.Higgins | Accepted |  | WCSP | 
	
		| Prosthechea pachysepala (Klotzsch) Chiron & V.P.Castro | Synonym |  | WCSP | 
	
		| Prosthechea pamplonensis (Rchb.f.) W.E.Higgins | Accepted |  | WCSP | 
	
		| Prosthechea panthera (Rchb.f.) W.E.Higgins | Accepted |  | WCSP | 
	
		| Prosthechea papilio (Vell.) W.E.Higgins | Accepted |  | WCSP | 
	
		| Prosthechea pastoris (Lex.) Espejo & López-Ferr. | Accepted |  | WCSP | 
	
		| Prosthechea pipio (Rchb.f.) W.E.Higgins | Synonym |  | WCSP | 
	
		| Prosthechea pringlei (Rolfe) W.E.Higgins | Accepted |  | WCSP | 
	
		| Prosthechea prismatocarpa (Rchb.f.) W.E.Higgins | Accepted |  | WCSP | 
	
		| Prosthechea pseudopygmaea (Finet) W.E.Higgins | Synonym |  | WCSP | 
	
		| Prosthechea pterocarpa (Lindl.) W.E.Higgins | Accepted |  | WCSP | 
	
		| Prosthechea pulcherrima (Klotzsch) W.E.Higgins | Accepted |  | WCSP | 
	
		| Prosthechea pulchra Dodson & W.E.Higgins | Accepted |  | WCSP | 
	
		| Prosthechea punctifera (Rchb.f.) W.E.Higgins | Accepted |  | WCSP | 
	
		| Prosthechea punctulata (Rchb.f.) Soto Arenas & Salazar | Synonym |  | WCSP | 
	
		| Prosthechea pygmaea (Hook.) W.E.Higgins | Accepted |  | WCSP | 
	
		| Prosthechea racemifera (Dressler) W.E.Higgins | Accepted |  | WCSP | 
	
		| Prosthechea radiata (Lindl.) W.E.Higgins | Accepted |  | WCSP | 
	
		| Prosthechea regentii V.P.Castro & Chiron | Accepted |  | WCSP | 
	
		| Prosthechea regnelliana (Hoehne & Schltr.) W.E.Higgins | Accepted |  | WCSP | 
	
		| Prosthechea rhombilabia (S.Rosillo) W.E.Higgins | Accepted |  | WCSP | 
	
		| Prosthechea rhynchophora (A.Rich. & Galeotti) W.E.Higgins | Accepted |  | WCSP | 
	
		| Prosthechea roraimensis V.P.Castro & Campacci | Accepted |  | WCSP | 
	
		| Prosthechea santanderensis (D.G.Hunt, Withner & P.A.Harding) W.E.Higgins | Unresolved |  | WCSP (in review) | 
	
		| Prosthechea sceptra (Lindl.) W.E.Higgins | Accepted |  | WCSP | 
	
		| Prosthechea schunkiana (Campacci & P.A.Harding) W.E.Higgins | Unresolved |  | WCSP (in review) | 
	
		| Prosthechea semiaperta (Hágsater) W.E.Higgins | Accepted |  | WCSP | 
	
		| Prosthechea serpentilingua Withner & D.G.Hunt | Accepted |  | WCSP | 
	
		| Prosthechea serrulata (Sw.) W.E.Higgins | Accepted |  | WCSP | 
	
		| Prosthechea sessiliflora (Edwall) W.E.Higgins | Accepted |  | WCSP | 
	
		| Prosthechea silvana Cath. & V.P.Castro | Accepted |  | WCSP | 
	
		| Prosthechea sima (Dressler) W.E.Higgins | Accepted |  | WCSP | 
	
		| Prosthechea spondiada (Rchb.f.) W.E.Higgins | Accepted |  | WCSP | 
	
		| Prosthechea squalida (La Llave & Lex.) Soto Arenas & Salazar | Unresolved |  | WCSP (in review) | 
	
		| Prosthechea squamata (Porto & Brade) Withner | Synonym |  | WCSP | 
	
		| Prosthechea suzanensis (Hoehne) W.E.Higgins | Accepted |  | WCSP | 
	
		| Prosthechea tardiflora Mora-Ret. ex Pupulin | Accepted |  | WCSP | 
	
		| Prosthechea terassaniana (Campacci & P.A.Harding) W.E.Higgins | Unresolved |  | WCSP (in review) | 
	
		| Prosthechea tigrina (Linden ex Lindl.) W.E.Higgins | Accepted |  | WCSP | 
	
		| Prosthechea tripunctata (Lindl.) W.E.Higgins | Accepted |  | WCSP | 
	
		| Prosthechea trulla (Rchb.f.) W.E.Higgins | Accepted |  | WCSP | 
	
		| Prosthechea vagans (Ames) W.E.Higgins | Accepted |  | WCSP | 
	
		| Prosthechea varicosa (Bateman ex Lindl.) W.E.Higgins | Accepted |  | WCSP | 
	
		| Prosthechea vasquezii Christenson | Accepted |  | WCSP | 
	
		| Prosthechea venezuelana (Schltr.) W.E.Higgins | Accepted |  | WCSP | 
	
		| Prosthechea venosa (Lindl.) W.E.Higgins | Synonym |  | WCSP | 
	
		| Prosthechea vespa (Vell.) W.E.Higgins | Accepted |  | WCSP | 
	
		| Prosthechea vespa subsp. duartiana Chiron & V.P.Castro | Synonym |  | WCSP | 
	
		| Prosthechea vespa subsp. triandra (Dod) Nir | Synonym |  | WCSP | 
	
		| Prosthechea villae-rosae P.Ortiz | Unresolved |  | WCSP (in review) | 
	
		| Prosthechea vinacea Christenson | Synonym |  | WCSP | 
	
		| Prosthechea vitellina (Lindl.) W.E.Higgins | Accepted |  | WCSP | 
	
		| Prosthechea widgrenii (Lindl.) W.E.Higgins | Accepted |  | WCSP |