| Odontoglossum × acuminatissimum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum acuminatum Lindl. | Synonym |  | WCSP |  | 
	
		| Odontoglossum × adrianae L.Linden | Synonym |  | WCSP |  | 
	
		| Odontoglossum adrianae L. Linden | Unresolved |  | TRO |  | 
	
		| Odontoglossum alberti P.Ortiz | Synonym |  | WCSP |  | 
	
		| Odontoglossum alboroseum Dalström | Synonym |  | WCSP |  | 
	
		| Odontoglossum alexandrae Bateman | Synonym |  | WCSP |  | 
	
		| Odontoglossum alexandrae var. cooksonii B.S.Williams & T.Moore | Synonym |  | WCSP |  | 
	
		| Odontoglossum alexandrae var. flaveolum (Rchb.f.) B.S.Williams & T.Moore | Synonym |  | WCSP |  | 
	
		| Odontoglossum alexandrae var. outramii B.S.Williams | Synonym |  | WCSP |  | 
	
		| Odontoglossum alexandrae var. stevensii B.S.Williams & T.Moore | Synonym |  | WCSP |  | 
	
		| Odontoglossum alexandrae var. trianae Hook.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum alexandrae var. wilsonii B.S.Williams | Synonym |  | WCSP |  | 
	
		| Odontoglossum alvarezii P.Ortiz | Synonym |  | WCSP |  | 
	
		| Odontoglossum × amabile auct. [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Odontoglossum amabile hort. | Unresolved |  | TRO |  | 
	
		| Odontoglossum amphiglottii Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum anceps Lem. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Odontoglossum anceps Klotzsch | Synonym |  | WCSP |  | 
	
		| Odontoglossum × andersonianum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum andersonianum Rchb. f. | Unresolved |  | TRO |  | 
	
		| Odontoglossum × andersonianum var. splendens B.S.Williams | Synonym |  | WCSP |  | 
	
		| Odontoglossum × andreetteanum Dalström & G.Merino [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Odontoglossum angustatum Lindl. | Synonym |  | WCSP |  | 
	
		| Odontoglossum angustatum var. heterosepalum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum anthoxanthum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum apterum Lex. | Synonym |  | WCSP |  | 
	
		| Odontoglossum apterum var. candidulum (Rchb.f.) Halb. | Synonym |  | WCSP |  | 
	
		| Odontoglossum ariasii Dalström | Synonym |  | WCSP |  | 
	
		| Odontoglossum armatum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum arminii Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum aspasia Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum aspersum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum aspersum var. fulvidum J.Fraser | Synonym |  | WCSP |  | 
	
		| Odontoglossum aspersum var. violaceum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum aspidorhinum F.Lehm. | Synonym |  | WCSP |  | 
	
		| Odontoglossum astranthum Linden & Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum atropurpureum Rchb. f. ex Beer | Unresolved |  | TRO |  | 
	
		| Odontoglossum aurarium (Rchb.f.) Garay | Synonym |  | WCSP |  | 
	
		| Odontoglossum aureum (Lindl.) Garay | Synonym |  | WCSP |  | 
	
		| Odontoglossum aureum (Lindl.) Rchb. f. | Synonym |  | TRO |  | 
	
		| Odontoglossum aureum var. stenochilum (Lindl.) Garay | Synonym |  | WCSP |  | 
	
		| Odontoglossum auriculatum Rolfe | Synonym |  | WCSP |  | 
	
		| Odontoglossum auropurpureum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum axinopterum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum bachmannii I.Bock | Synonym |  | WCSP |  | 
	
		| Odontoglossum × baphicanthum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum barkeri (Hook.) Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum bellum Schltr. | Synonym |  | WCSP |  | 
	
		| Odontoglossum beloglossum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum bergamii Lodd. ex W. Baxter | Unresolved |  | TRO |  | 
	
		| Odontoglossum × bergmanii L.Linden | Synonym |  | WCSP |  | 
	
		| Odontoglossum biberianum (Rchb.f.) Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum bicolor Lindl. | Synonym |  | WCSP |  | 
	
		| Odontoglossum bictoniense (Bateman) Lindl. | Synonym |  | WCSP |  | 
	
		| Odontoglossum bictoniense var. splendens Lem. | Synonym |  | WCSP |  | 
	
		| Odontoglossum blandum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum × bleichroederianum Linden & L.Linden | Synonym |  | WCSP |  | 
	
		| Odontoglossum × bleui (God.-Leb.) auct. | Synonym |  | WCSP |  | 
	
		| Odontoglossum bluntii Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum boddaertianum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum bogotense Schltr. | Synonym |  | WCSP |  | 
	
		| Odontoglossum brachypterum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum × brandtii Kraenzl. & Wittm. | Synonym |  | WCSP |  | 
	
		| Odontoglossum × brassia Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum brevifolium Lindl. | Synonym |  | WCSP |  | 
	
		| Odontoglossum brevifolium var. spathulatum P.J.Cribb [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Odontoglossum brevifolium var. weberbauerianum (Kraenzl.) C.Schweinf. | Synonym |  | WCSP |  | 
	
		| Odontoglossum brevilabium C.Schweinf. | Synonym |  | WCSP |  | 
	
		| Odontoglossum caerulescens A.Rich. & Galeotti | Synonym |  | WCSP |  | 
	
		| Odontoglossum callacallaense D.E.Benn. & Christenson | Synonym |  | WCSP |  | 
	
		| Odontoglossum calodryas Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum calopterum Rchb. f. | Unresolved |  | TRO |  | 
	
		| Odontoglossum × cambridgeanum auct. [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Odontoglossum cambridgeanum hort. | Unresolved |  | TRO |  | 
	
		| Odontoglossum candelabrum Hook.f. [Invalid] | Synonym |  | WCSP |  | 
	
		| Odontoglossum candelabrum (Linden) Hort. Linden ex Veitch | Synonym |  | TRO |  | 
	
		| Odontoglossum candidulum (Rchb.f.) Halb. | Synonym |  | WCSP |  | 
	
		| Odontoglossum candidum Linden & André | Synonym |  | WCSP |  | 
	
		| Odontoglossum cardiochilum (Lindl.) Kraenzl. | Synonym |  | WCSP |  | 
	
		| Odontoglossum cariniferum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum celsianum F.Gérard | Synonym |  | WCSP |  | 
	
		| Odontoglossum cervantesii Lex. | Synonym |  | WCSP |  | 
	
		| Odontoglossum cervantesii var. decorum Rchb.f. ex T.Moore, R.Warner & B.S.Williams | Synonym |  | WCSP |  | 
	
		| Odontoglossum cervantesii var. lilacinum L.Linden & Rodigas | Synonym |  | WCSP |  | 
	
		| Odontoglossum cervantesii var. membranaceum (Lindl.) Lindl. | Synonym |  | WCSP |  | 
	
		| Odontoglossum × chaetostoma hort. ex O'Brien | Unresolved |  | TRO |  | 
	
		| Odontoglossum chaetostroma O'Brien | Synonym |  | WCSP |  | 
	
		| Odontoglossum × cheetostroma Rchb. f. | Unresolved |  | TRO |  | 
	
		| Odontoglossum chestertoni hort. | Unresolved |  | TRO |  | 
	
		| Odontoglossum × chestertonii auct. | Synonym |  | WCSP |  | 
	
		| Odontoglossum chiriquense Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum cimiciferum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum cinnamomeum R.Warner & B.S.Williams | Synonym |  | WCSP |  | 
	
		| Odontoglossum cirrhosum Lindl. | Synonym |  | WCSP |  | 
	
		| Odontoglossum citrosmum Lindl. | Synonym |  | WCSP |  | 
	
		| Odontoglossum citrosmum var. rosellum Lem. | Synonym |  | WCSP |  | 
	
		| Odontoglossum × claesianum L.Linden | Synonym |  | WCSP |  | 
	
		| Odontoglossum claviceps Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum clowesii Lindl. | Synonym |  | WCSP |  | 
	
		| Odontoglossum cochlearilabre Guillaumin [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Odontoglossum cochleatum (Lindl.) Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum cochlioda Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum compactum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum confertum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum confusum Garay | Synonym |  | WCSP |  | 
	
		| Odontoglossum connivens Scheidw. [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Odontoglossum constrictum Lindl. | Synonym |  | WCSP |  | 
	
		| Odontoglossum constrictum var. castaneum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum constrictum f. castaneum (Rchb.f.) O.Gruss & M.Wolff | Synonym |  | WCSP |  | 
	
		| Odontoglossum constrictum var. majus Lindl. | Synonym |  | WCSP |  | 
	
		| Odontoglossum constrictum f. pallens (Rchb.f.) O.Gruss & M.Wolff | Synonym |  | WCSP |  | 
	
		| Odontoglossum constrictum var. pallens Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum constrictum var. sanderianum (Rchb.f.) A.H.Kent | Synonym |  | WCSP |  | 
	
		| Odontoglossum contaypacchaense D.E.Benn. & Christenson | Synonym |  | WCSP |  | 
	
		| Odontoglossum convallarioides (Schltr.) Ames & Correll | Synonym |  | WCSP |  | 
	
		| Odontoglossum × cookianum Rolfe | Synonym |  | WCSP |  | 
	
		| Odontoglossum cookianum Rolfe | Unresolved |  | TRO |  | 
	
		| Odontoglossum × coradinei Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum cordatum Lindl. | Synonym |  | WCSP |  | 
	
		| Odontoglossum cordatum var. aureum B.S.Williams | Synonym |  | WCSP |  | 
	
		| Odontoglossum cordatum var. sulphureum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum coronarium Lindl. | Synonym |  | WCSP |  | 
	
		| Odontoglossum coronarium var. chiriquense (Rchb.f.) A.H.Kent | Synonym |  | WCSP |  | 
	
		| Odontoglossum coronarium var. dayanum Rchb.f. [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Odontoglossum coronarium var. flavum Rolfe | Synonym |  | WCSP |  | 
	
		| Odontoglossum coronarium var. miniatum (Linden) A.H.Kent | Synonym |  | WCSP |  | 
	
		| Odontoglossum costatum Lindl. | Synonym |  | WCSP |  | 
	
		| Odontoglossum crinitum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum crispatulum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum crispum Lindl. | Synonym |  | WCSP |  | 
	
		| Odontoglossum crispum var. andersonianum (Rchb.f.) A.H.Kent | Synonym |  | WCSP |  | 
	
		| Odontoglossum crispum var. bluntii (Rchb.f.) Stein | Synonym |  | WCSP |  | 
	
		| Odontoglossum crispum var. chestertonii A.H.Kent | Synonym |  | WCSP |  | 
	
		| Odontoglossum crispum var. flaveolum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum crispum var. hyperxanthum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum crispum f. hyperxanthum (Rchb.f.) Christenson | Synonym |  | WCSP |  | 
	
		| Odontoglossum crispum var. jenningsianum (Rchb.f.) A.H.Kent | Synonym |  | WCSP |  | 
	
		| Odontoglossum crispum var. latranum Bosschere | Synonym |  | WCSP |  | 
	
		| Odontoglossum crispum var. lehmannii Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum crispum var. limbatum (Rchb.f.) A.H.Kent | Synonym |  | WCSP |  | 
	
		| Odontoglossum crispum var. lyntanthum F.Lehm. | Synonym |  | WCSP |  | 
	
		| Odontoglossum crispum var. plumatum B.S.Williams | Synonym |  | WCSP |  | 
	
		| Odontoglossum crispum var. reginae F.A.Philbrick | Synonym |  | WCSP |  | 
	
		| Odontoglossum crispum var. rueckerianum (Rchb.f.) A.H.Kent | Synonym |  | WCSP |  | 
	
		| Odontoglossum crispum var. trianae (Hook.f.) L.Linden & Rodigas | Synonym |  | WCSP |  | 
	
		| Odontoglossum crispum var. wolstenholmiae Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum crispum var. wrigleyanum B.S.Williams | Synonym |  | WCSP |  | 
	
		| Odontoglossum crista-galli (Rchb. f.) Kraenzl. ex O. Wederb. | Synonym |  | TRO |  | 
	
		| Odontoglossum cristatellum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum cristatellum var. argus (Rchb.f.) Bockemühl | Synonym |  | WCSP |  | 
	
		| Odontoglossum cristatellum f. argus (Rchb.f.) O.Gruss & M.Wolff | Synonym |  | WCSP |  | 
	
		| Odontoglossum cristatellum var. canaria (Rchb.f.) Bockemühl | Synonym |  | WCSP |  | 
	
		| Odontoglossum cristatellum f. canaria (Rchb.f.) O.Gruss & M.Wolff | Synonym |  | WCSP |  | 
	
		| Odontoglossum cristatellum var. dayanum (Rchb.f.) Bockemühl | Synonym |  | WCSP |  | 
	
		| Odontoglossum cristatellum f. dayanum (Rchb.f.) O.Gruss & M.Wolff | Synonym |  | WCSP |  | 
	
		| Odontoglossum cristatellum subsp. lehmannii (Rchb.f.) Bockemühl | Synonym |  | WCSP |  | 
	
		| Odontoglossum cristatellum var. lehmannii (Rchb.f.) O.Gruss & M.Wolff | Synonym |  | WCSP |  | 
	
		| Odontoglossum cristatum Lindl. | Synonym |  | WCSP |  | 
	
		| Odontoglossum cristatum var. argus Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum cristatum var. canaria Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum cristatum var. cristatellum (Rchb.f.) A.H.Kent | Synonym |  | WCSP |  | 
	
		| Odontoglossum cristatum var. dayanum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum cristatum var. lehmannii Regel | Synonym |  | WCSP |  | 
	
		| Odontoglossum crocatum Linden & Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum crocidipterum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum crocidipterum subsp. dormanianum (Rchb.f.) Bockemühl | Synonym |  | WCSP |  | 
	
		| Odontoglossum crocidipterum f. dormanianum (Rchb.f.) O.Gruss & M.Wolff | Synonym |  | WCSP |  | 
	
		| Odontoglossum cruentum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum × cuspidatum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum cuspidatum var. xanthoglossum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum dalessandroi Dodson & Garay | Synonym |  | WCSP |  | 
	
		| Odontoglossum dawsonianum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum deburghgraeveanum Dalström & G.Merino [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Odontoglossum × dellense O'Brien [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Odontoglossum × deltoglossum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum × denisonae auct. [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Odontoglossum densiflorum Lindl. | Synonym |  | WCSP |  | 
	
		| Odontoglossum denticulatum F. Lehm. ex Dalström | Unresolved |  | TRO |  | 
	
		| Odontoglossum depauperatum Kraenzl. | Synonym |  | WCSP |  | 
	
		| Odontoglossum dichromum Rolfe | Synonym |  | WCSP |  | 
	
		| Odontoglossum × dicranophorum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum digitatum C.Schweinf. | Synonym |  | WCSP |  | 
	
		| Odontoglossum dipterum Lindl. | Synonym |  | WCSP |  | 
	
		| Odontoglossum distans Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum divaricatum Lindl. | Synonym |  | WCSP |  | 
	
		| Odontoglossum dormanianum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum dormannianum Rchb. f. | Accepted |  | TRO |  | 
	
		| Odontoglossum dracoceps Dalström | Synonym |  | WCSP |  | 
	
		| Odontoglossum × duvivierianum Rchb.f. [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Odontoglossum duvivierianum Rchb. f. | Unresolved |  | TRO |  | 
	
		| Odontoglossum edithiae R.Warner | Synonym |  | WCSP |  | 
	
		| Odontoglossum edwardii Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum egertonii Lindl. | Synonym |  | WCSP |  | 
	
		| Odontoglossum ehrenbergii Link, Klotzsch & Otto | Synonym |  | WCSP |  | 
	
		| Odontoglossum × elegans Rchb.f. [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Odontoglossum × elegantius Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum epidendroides Kunth | Synonym |  | WCSP |  | 
	
		| Odontoglossum epidendroides Lindl. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Odontoglossum erosum A.Rich. & Galeotti | Synonym |  | WCSP |  | 
	
		| Odontoglossum euastrum Rchb. f. | Accepted |  | TRO |  | 
	
		| Odontoglossum × eugenes auct. | Synonym |  | WCSP |  | 
	
		| Odontoglossum × excellens Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum excellens Rchb. f. | Synonym |  | TRO |  | 
	
		| Odontoglossum facetum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum × ferrugineum Rchb.f. [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Odontoglossum festatum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum fidicularium Dalström | Synonym |  | WCSP |  | 
	
		| Odontoglossum flavescens Rolfe | Synonym |  | WCSP |  | 
	
		| Odontoglossum floribundum Schltr. | Synonym |  | WCSP |  | 
	
		| Odontoglossum foliosum (Hook.) Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum forcipatum Linden & Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum fractiflexum Kraenzl. | Synonym |  | WCSP |  | 
	
		| Odontoglossum fractum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum funis (F.Lehm. & Kraenzl.) Garay | Synonym |  | WCSP |  | 
	
		| Odontoglossum galeottianum A.Rich. | Synonym |  | WCSP |  | 
	
		| Odontoglossum ghiesbreghtianum A.Rich. | Synonym |  | WCSP |  | 
	
		| Odontoglossum glonerianum Linden | Synonym |  | WCSP |  | 
	
		| Odontoglossum gloriosum Linden & Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum gloriosum var. flaviflorum Bockemühl | Synonym |  | WCSP |  | 
	
		| Odontoglossum gloriosum f. flaviflorum (Bockemühl) O.Gruss & M.Wolff | Synonym |  | WCSP |  | 
	
		| Odontoglossum × godseffianum Rolfe [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Odontoglossum gracile Lindl. | Synonym |  | WCSP |  | 
	
		| Odontoglossum gramazuense D.E.Benn. & Christenson | Synonym |  | WCSP |  | 
	
		| Odontoglossum gramazuensis D.E. Benn. & Christenson | Synonym |  | TRO |  | 
	
		| Odontoglossum graminifolium C.Schweinf. | Synonym |  | WCSP |  | 
	
		| Odontoglossum grande Lindl. | Synonym |  | WCSP |  | 
	
		| Odontoglossum grande var. aureum Stein | Synonym |  | WCSP |  | 
	
		| Odontoglossum grande var. splendens F. Rchb. | Synonym |  | TRO |  | 
	
		| Odontoglossum grande var. williamsianum (Rchb.f.) A.H.Kent | Synonym |  | WCSP |  | 
	
		| Odontoglossum grande-pallidum Klotzsch ex Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum × grusonianum auct. | Synonym |  | WCSP |  | 
	
		| Odontoglossum × guttatum Rolfe | Synonym |  | WCSP |  | 
	
		| Odontoglossum × halli-xanthum L.Linden [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Odontoglossum hallii Lindl. | Synonym |  | WCSP |  | 
	
		| Odontoglossum hallii var. leucoglossum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum hallii var. xanthoglossum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum harryanum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum harryanum f. flavescens (Rolfe) Christenson | Synonym |  | WCSP |  | 
	
		| Odontoglossum harryanum var. flavescens Rolfe | Synonym |  | WCSP |  | 
	
		| Odontoglossum harryanum var. pavonium Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum × harvengtense L.Linden | Synonym |  | WCSP |  | 
	
		| Odontoglossum hastatum Bateman | Synonym |  | WCSP |  | 
	
		| Odontoglossum hastatum var. roezlii Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum hastilabium Lindl. | Synonym |  | WCSP |  | 
	
		| Odontoglossum hastilabium var. fuscatum Hook. | Synonym |  | WCSP |  | 
	
		| Odontoglossum hauensteinii Königer | Synonym |  | WCSP |  | 
	
		| Odontoglossum × hebraicum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum helgae Königer | Synonym |  | WCSP |  | 
	
		| Odontoglossum hemichrysum Rchb.f. & Warsz. | Synonym |  | WCSP |  | 
	
		| Odontoglossum hennisii Rolfe | Synonym |  | WCSP |  | 
	
		| Odontoglossum heterosepalum (Rchb.f.) Garay | Synonym |  | WCSP |  | 
	
		| Odontoglossum × hinnus Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum × histrionicum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum hoeijeri Dalström | Synonym |  | WCSP |  | 
	
		| Odontoglossum hookeri Lem. | Synonym |  | WCSP |  | 
	
		| Odontoglossum hoppii Schltr. | Synonym |  | WCSP |  | 
	
		| Odontoglossum horsmanni Rchb. f. | Unresolved |  | TRO |  | 
	
		| Odontoglossum × horsmannii Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum hortensiae R.L.Rodr. | Synonym |  | WCSP |  | 
	
		| Odontoglossum hrubyanum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum × humeanum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum humoides hort. | Unresolved |  | TRO |  | 
	
		| Odontoglossum × hunnewellianum Rolfe | Synonym |  | WCSP |  | 
	
		| Odontoglossum hystrix Bateman | Synonym |  | WCSP |  | 
	
		| Odontoglossum × imschootianum Rolfe | Synonym |  | WCSP |  | 
	
		| Odontoglossum insleayi (Baker ex Lindl.) Lindl. | Synonym |  | WCSP |  | 
	
		| Odontoglossum insleayi var. aureum Rchb.f. ex B.S.Williams | Synonym |  | WCSP |  | 
	
		| Odontoglossum insleayi var. imschootianum Rolfe | Synonym |  | WCSP |  | 
	
		| Odontoglossum insleayi var. leopardinum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum insleayi var. macranthum Lindl. | Synonym |  | WCSP |  | 
	
		| Odontoglossum insleayi var. pantherinum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum insleayi var. splendens Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum ioplocon Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum ixioides (Lindl.) Lindl. | Synonym |  | WCSP |  | 
	
		| Odontoglossum jamaicense Griseb. | Synonym |  | WCSP |  | 
	
		| Odontoglossum × jenningsianum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum johnsonorum L.O.Williams | Synonym |  | WCSP |  | 
	
		| Odontoglossum × josephinae B.S.Williams | Synonym |  | WCSP |  | 
	
		| Odontoglossum josephinae B.S. Williams | Unresolved |  | TRO |  | 
	
		| Odontoglossum juninense Schltr. | Synonym |  | WCSP |  | 
	
		| Odontoglossum karwinskii (Lindl.) Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum kegeljani E.Morren | Synonym |  | WCSP |  | 
	
		| Odontoglossum koehleri Schltr. | Synonym |  | WCSP |  | 
	
		| Odontoglossum × kraenzlinii O'Brien | Synonym |  | WCSP |  | 
	
		| Odontoglossum kraenzlinii O'Brien | Unresolved |  | TRO |  | 
	
		| Odontoglossum krameri Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum krameri var. album Lucas Rodr. ex Halb. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Odontoglossum krameri var. album Rolfe | Synonym |  | WCSP |  | 
	
		| Odontoglossum krameri var. smithianum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum lacerum Lindl. | Synonym |  | WCSP |  | 
	
		| Odontoglossum laeve Lindl. | Synonym |  | WCSP |  | 
	
		| Odontoglossum laeve var. auratum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum laeve var. karwinskii (Lindl.) H.D.Sawyer | Synonym |  | WCSP |  | 
	
		| Odontoglossum laeve var. reichenheimii (Linden & Rchb.f.) O'Brien | Synonym |  | WCSP |  | 
	
		| Odontoglossum lapacense R.Vásquez & Dalström | Synonym |  | WCSP |  | 
	
		| Odontoglossum latimaculatum Linden | Synonym |  | WCSP |  | 
	
		| Odontoglossum × lawrenceanum auct. [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Odontoglossum lawrenceanum hort. | Unresolved |  | TRO |  | 
	
		| Odontoglossum laxiflorum (Lindl.) Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum × leeanum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum lehmannii Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum × lepidum Rchb.f. [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Odontoglossum lepidum Rchb. f. | Unresolved |  | TRO |  | 
	
		| Odontoglossum × leroyanum God.-Leb. | Synonym |  | WCSP |  | 
	
		| Odontoglossum leucomelas Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum leucopterum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum × ligulare Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum ligulatum (Ruiz & Pav.) Garay | Synonym |  | WCSP |  | 
	
		| Odontoglossum liliiflorum (A.H.Kent) auct. | Synonym |  | WCSP |  | 
	
		| Odontoglossum × limbatum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum lindenii Lindl. | Synonym |  | WCSP |  | 
	
		| Odontoglossum lindleyanum Rchb.f. & Warsz. | Synonym |  | WCSP |  | 
	
		| Odontoglossum lindleyanum var. coradinei (Rchb.f.) A.H.Kent | Synonym |  | WCSP |  | 
	
		| Odontoglossum lindleyanum var. ligulare (Rchb.f.) A.H.Kent | Synonym |  | WCSP |  | 
	
		| Odontoglossum lindleyanum var. mirandum (Rchb.f.) A.H.Kent | Synonym |  | WCSP |  | 
	
		| Odontoglossum lindleyanum var. parviflorum Bockemühl | Synonym |  | WCSP |  | 
	
		| Odontoglossum lindleyanum f. parviflorum (Bockemühl) O.Gruss & M.Wolff | Synonym |  | WCSP |  | 
	
		| Odontoglossum lindleyi Galeotti ex Lindl. | Synonym |  | WCSP |  | 
	
		| Odontoglossum llanachagaense D.E.Benn. & Christenson | Synonym |  | WCSP |  | 
	
		| Odontoglossum loesenerianum Schltr. | Synonym |  | WCSP |  | 
	
		| Odontoglossum londesboroughianum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum longifolium Lindl. | Synonym |  | WCSP |  | 
	
		| Odontoglossum longipes Rchb.f. & Warsz. | Synonym |  | WCSP |  | 
	
		| Odontoglossum loxense F.Lehm. & Kraenzl. | Synonym |  | WCSP |  | 
	
		| Odontoglossum lucianianum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum × ludwigianum Roeth [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Odontoglossum lueddemannii Regel | Synonym |  | WCSP |  | 
	
		| Odontoglossum lunatum (Lindl.) Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum luteopurpureum Lindl. | Synonym |  | WCSP |  | 
	
		| Odontoglossum luteopurpureum var. cuspidatum (Rchb.f.) A.H.Kent | Synonym |  | WCSP |  | 
	
		| Odontoglossum luteopurpureum var. facetum (Rchb.f.) A.H.Kent | Synonym |  | WCSP |  | 
	
		| Odontoglossum luteopurpureum var. hinnus (Rchb.f.) A.H.Kent | Synonym |  | WCSP |  | 
	
		| Odontoglossum luteopurpureum var. mulus (Rchb.f.) A.H.Kent | Synonym |  | WCSP |  | 
	
		| Odontoglossum luteopurpureum var. vuylstekeanum (Rchb.f.) A.H.Kent | Synonym |  | WCSP |  | 
	
		| Odontoglossum lyratum (Vell.) Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum × lyroglossum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum machupicchuense D.E.Benn. & Christenson | Synonym |  | WCSP |  | 
	
		| Odontoglossum × macrospilum Rchb.f. [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Odontoglossum macrum Lindl. | Synonym |  | WCSP |  | 
	
		| Odontoglossum maculatum Hook. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Odontoglossum maculatum Lex. | Synonym |  | WCSP |  | 
	
		| Odontoglossum maculatum var. duvivierianum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum maculatum var. integrale Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum × maderoi Schltr. [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Odontoglossum madrense Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum majale Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum mapiriense Mansf. | Synonym |  | WCSP |  | 
	
		| Odontoglossum marginellum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum × marriottianum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum masereelianum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum matangense Bockemühl | Synonym |  | WCSP |  | 
	
		| Odontoglossum maxillare Hook.f. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Odontoglossum maxillare Lindl. | Synonym |  | WCSP |  | 
	
		| Odontoglossum × measuresianum O'Brien | Synonym |  | WCSP |  | 
	
		| Odontoglossum measuresianum O'Brien | Unresolved |  | TRO |  | 
	
		| Odontoglossum medellinense (Kraenzl.) Schltr. | Synonym |  | WCSP |  | 
	
		| Odontoglossum megalophium Lindl. | Synonym |  | WCSP |  | 
	
		| Odontoglossum melanthes Rchb.f. & Warsz. | Synonym |  | WCSP |  | 
	
		| Odontoglossum membranaceum Lindl. | Synonym |  | WCSP |  | 
	
		| Odontoglossum mentigerum Rchb.f. & Warsz. | Synonym |  | WCSP |  | 
	
		| Odontoglossum micklowii Dalström | Synonym |  | WCSP |  | 
	
		| Odontoglossum microthyrsus Kraenzl. | Synonym |  | WCSP |  | 
	
		| Odontoglossum miniatum Linden | Synonym |  | WCSP |  | 
	
		| Odontoglossum miniatum hort. ex Veitch | Synonym |  | TRO |  | 
	
		| Odontoglossum mirandum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum multistellare Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum × mulus Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum × murrellianum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum myanthum Lindl. | Synonym |  | WCSP |  | 
	
		| Odontoglossum myrianthum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum mystacinum (Lindl.) Lindl. | Synonym |  | WCSP |  | 
	
		| Odontoglossum naevium Lindl. | Synonym |  | WCSP |  | 
	
		| Odontoglossum naevium var. majus Lindl. | Synonym |  | WCSP |  | 
	
		| Odontoglossum narthecioides (Kraenzl.) Garay | Synonym |  | WCSP |  | 
	
		| Odontoglossum nebulosum Lindl. | Synonym |  | WCSP |  | 
	
		| Odontoglossum nebulosum var. amabile Horta ex Linden | Synonym |  | WCSP |  | 
	
		| Odontoglossum nebulosum var. candidissimum H.J. Veitch | Synonym |  | TRO |  | 
	
		| Odontoglossum nebulosum var. candidulum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum nebulosum var. guttatum Rchb.f. ex Rodigas | Synonym |  | WCSP |  | 
	
		| Odontoglossum nevadense Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum nobile Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum nobile var. leucoxanthum (Rchb.f.) Bockemühl | Synonym |  | WCSP |  | 
	
		| Odontoglossum nobile f. leucoxanthum (Rchb.f.) Christenson | Synonym |  | WCSP |  | 
	
		| Odontoglossum nobile f. leucoxanthum (Rchb.f.) O.Gruss & M.Wolff | Synonym |  | WCSP |  | 
	
		| Odontoglossum nobile var. veitchianum (Rchb.f.) Bockemühl | Synonym |  | WCSP |  | 
	
		| Odontoglossum noezlianum Mast. | Synonym |  | WCSP |  | 
	
		| Odontoglossum obscurum C.Schweinf. | Synonym |  | WCSP |  | 
	
		| Odontoglossum odoratum Lindl. | Synonym |  | WCSP |  | 
	
		| Odontoglossum odoratum var. baphicanthum (Rchb.f.) A.H.Kent | Synonym |  | WCSP |  | 
	
		| Odontoglossum odoratum var. deltoglossum (Rchb.f.) A.H.Kent | Synonym |  | WCSP |  | 
	
		| Odontoglossum odoratum var. hebraicum (Rchb.f.) A.H.Kent | Synonym |  | WCSP |  | 
	
		| Odontoglossum odoratum var. latimaculatum André | Synonym |  | WCSP |  | 
	
		| Odontoglossum odoratum var. leeanum (Rchb.f.) A.H.Kent | Synonym |  | WCSP |  | 
	
		| Odontoglossum oerstedii Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum oerstedii var. majus B.S.Williams | Synonym |  | WCSP |  | 
	
		| Odontoglossum oliganthum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum orientale Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum ornatum auct. [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Odontoglossum × ortgiesianum Sander | Synonym |  | WCSP |  | 
	
		| Odontoglossum ortgiesianum Sander | Unresolved |  | TRO |  | 
	
		| Odontoglossum × owenianum Rolfe | Synonym |  | WCSP |  | 
	
		| Odontoglossum pardinum (Lindl.) Lindl. | Synonym |  | WCSP |  | 
	
		| Odontoglossum parviflorum Lindl. ex W. Baxter | Unresolved |  | TRO |  | 
	
		| Odontoglossum pauciflorum L.O.Williams | Synonym |  | WCSP |  | 
	
		| Odontoglossum × peetersianum hort. | Unresolved |  | TRO |  | 
	
		| Odontoglossum pendulum (Lex.) Bateman | Synonym |  | WCSP |  | 
	
		| Odontoglossum peruvianum Schltr. | Synonym |  | TRO |  | 
	
		| Odontoglossum pescatorei Linden ex Lindl. | Synonym |  | WCSP |  | 
	
		| Odontoglossum pescatorei var. germinyanum B.S.Williams | Synonym |  | WCSP |  | 
	
		| Odontoglossum pescatorei var. leucoxanthum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum pescatorei var. lindenianum L.Linden & Rodigas | Synonym |  | WCSP |  | 
	
		| Odontoglossum pescatorei var. stupendum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum pescatorei var. veitchianum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum pescatorei var. veitchii Harpus-Crewe | Synonym |  | WCSP |  | 
	
		| Odontoglossum phalaenopsis Linden & Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum phyllochilum C.Morren | Synonym |  | WCSP |  | 
	
		| Odontoglossum picturatum auct. [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Odontoglossum planifolium (Lindl.) Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum platycheilum Rolfe | Synonym |  | WCSP |  | 
	
		| Odontoglossum platycheilum Weathers | Synonym |  | WCSP |  | 
	
		| Odontoglossum platynaris Dalström | Synonym |  | WCSP |  | 
	
		| Odontoglossum platyodon Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum platyotum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum plicigerum (Rchb.f.) Garay | Synonym |  | WCSP |  | 
	
		| Odontoglossum × pollettianum O'Brien | Synonym |  | WCSP |  | 
	
		| Odontoglossum polystachyoides F. Lehm. & Kraenzl. | Unresolved |  | TRO |  | 
	
		| Odontoglossum polyxanthum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum polyxanthum var. grandiflorum B.S.Williams | Synonym |  | WCSP |  | 
	
		| Odontoglossum popayanense F.Lehm. & Kraenzl. | Synonym |  | WCSP |  | 
	
		| Odontoglossum portillae Bockemühl | Synonym |  | WCSP |  | 
	
		| Odontoglossum portmannii Bockemühl | Synonym |  | WCSP |  | 
	
		| Odontoglossum portmannii subsp. cohrsiae Bockemühl | Synonym |  | WCSP |  | 
	
		| Odontoglossum portmannii var. cohrsiae (Bockemühl) O.Gruss & M.Wolff | Synonym |  | WCSP |  | 
	
		| Odontoglossum portmannii var. cohrsiae Bockemühl | Synonym |  | TRO |  | 
	
		| Odontoglossum posadarum Königer | Synonym |  | WCSP |  | 
	
		| Odontoglossum povedanum P.Ortiz | Synonym |  | WCSP |  | 
	
		| Odontoglossum powellii Schltr. | Synonym |  | WCSP |  | 
	
		| Odontoglossum praenitens Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum praestans Rchb.f. & Warsz. | Synonym |  | WCSP |  | 
	
		| Odontoglossum praestans var. usemannii Roeth | Synonym |  | WCSP |  | 
	
		| Odontoglossum prasinum Linden & Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum principissa (Rchb.f.) Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum × prionopetalon O'Brien | Synonym |  | WCSP |  | 
	
		| Odontoglossum pseudomelanthes D.E.Benn. & Christenson | Synonym |  | WCSP |  | 
	
		| Odontoglossum psittacinum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum pulchellum Bateman ex Lindl. | Synonym |  | WCSP |  | 
	
		| Odontoglossum pulchellum var. dormanianum B.S.Williams | Synonym |  | WCSP |  | 
	
		| Odontoglossum pulchellum var. egertonii auct. | Synonym |  | WCSP |  | 
	
		| Odontoglossum purpusii Schltr. | Synonym |  | WCSP |  | 
	
		| Odontoglossum purum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum pusillum C.Schweinf. | Synonym |  | WCSP |  | 
	
		| Odontoglossum pygmaeum Lindl. | Synonym |  | WCSP |  | 
	
		| Odontoglossum quadridentatum D.E.Benn. & Christenson | Synonym |  | WCSP |  | 
	
		| Odontoglossum radiatum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum ramosissimum Lindl. | Synonym |  | WCSP |  | 
	
		| Odontoglossum ramosissimum var. albomaculatum Bockemühl | Synonym |  | WCSP |  | 
	
		| Odontoglossum ramosissimum f. albomaculatum (Bockemühl) O.Gruss & M.Wolff | Synonym |  | WCSP |  | 
	
		| Odontoglossum ramosissimum var. coeleste Rodigas | Synonym |  | WCSP |  | 
	
		| Odontoglossum ramosissimum var. liliiflorum A.H.Kent | Synonym |  | WCSP |  | 
	
		| Odontoglossum ramosissimum var. xanthinum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum ramosissimum f. xanthinum (Rchb.f.) O.Gruss & M.Wolff | Synonym |  | WCSP |  | 
	
		| Odontoglossum ramulosum Lindl. | Synonym |  | WCSP |  | 
	
		| Odontoglossum recurvum (R.Br.) Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum reichenbachianum F.Lehm. | Synonym |  | WCSP |  | 
	
		| Odontoglossum reichenheimii Linden & Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum retusum Lindl. | Synonym |  | WCSP |  | 
	
		| Odontoglossum retusum var. latro Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum reversum Bockemühl | Synonym |  | WCSP |  | 
	
		| Odontoglossum revolutum Lindl. | Synonym |  | WCSP |  | 
	
		| Odontoglossum rhynchanthum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum rigidum Lindl. | Synonym |  | WCSP |  | 
	
		| Odontoglossum ringens Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum robustum Rchb.f. & Warsz. | Synonym |  | WCSP |  | 
	
		| Odontoglossum × roebelinianum Sander [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Odontoglossum roezlii Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum roezlii var. alba W.Bull ex W.G.Sm. | Synonym |  | WCSP |  | 
	
		| Odontoglossum roezlii var. album W. Bull ex W.G. Sm. | Synonym |  | TRO |  | 
	
		| Odontoglossum rolliae Lodd. ex W. Baxter | Unresolved |  | TRO |  | 
	
		| Odontoglossum roseum Lindl. | Synonym |  | WCSP |  | 
	
		| Odontoglossum rossii Lindl. | Synonym |  | WCSP |  | 
	
		| Odontoglossum rossii var. acuminatum Knowles & Westc. | Synonym |  | WCSP |  | 
	
		| Odontoglossum rossii var. albens B.S.Williams | Synonym |  | WCSP |  | 
	
		| Odontoglossum rossii var. amesianum B.S.Williams | Synonym |  | WCSP |  | 
	
		| Odontoglossum rossii var. aspersum (Rchb.f.) A.H.Kent | Synonym |  | WCSP |  | 
	
		| Odontoglossum rossii var. ehrenbergii (Link, Klotzsch & Otto) A.H.Kent | Synonym |  | WCSP |  | 
	
		| Odontoglossum rossii var. humeanum (Rchb.f.) A.H.Kent | Synonym |  | WCSP |  | 
	
		| Odontoglossum rossii var. warnerianum (Rchb.f.) A.H.Kent | Synonym |  | WCSP |  | 
	
		| Odontoglossum rubescens Lindl. | Synonym |  | WCSP |  | 
	
		| Odontoglossum × rubiginosum L.Linden [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Odontoglossum rubrocallosum D.E.Benn. & Christenson | Synonym |  | WCSP |  | 
	
		| Odontoglossum × rueckerianum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum sanderianum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum sanguineum (Rchb.f.) Dalström | Synonym |  | WCSP |  | 
	
		| Odontoglossum sapphiratum Rchb.f. ex Bockemühl | Synonym |  | WCSP |  | 
	
		| Odontoglossum scabiosum Rchb.f. ex Kraenzl. [Invalid] | Synonym |  | WCSP |  | 
	
		| Odontoglossum scaphochilum (Kraenzl.) Garay | Synonym |  | WCSP |  | 
	
		| Odontoglossum sceptrum Rchb.f. & Warsz. | Synonym |  | WCSP |  | 
	
		| Odontoglossum sceptrum var. facetum (Rchb.f.) Bockemühl [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Odontoglossum sceptrum f. facetum (Rchb.f.) O.Gruss & M.Wolff | Synonym |  | WCSP |  | 
	
		| Odontoglossum sceptrum var. masereelianum (Rchb.f.) Bockemühl | Synonym |  | WCSP |  | 
	
		| Odontoglossum sceptrum f. masereelianum (Rchb.f.) O.Gruss & M.Wolff | Synonym |  | WCSP |  | 
	
		| Odontoglossum schillerianum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum × schlesingerianum L.Linden | Synonym |  | WCSP |  | 
	
		| Odontoglossum schlieperianum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum schlieperianum var. flavidum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum schlimii Linden & Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum schroederianum Rchb.f. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Odontoglossum × schroederianum Rchb.f. [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Odontoglossum schulzei Schltr. | Synonym |  | WCSP |  | 
	
		| Odontoglossum × scottii auct. | Synonym |  | WCSP |  | 
	
		| Odontoglossum scottii hort. | Unresolved |  | TRO |  | 
	
		| Odontoglossum seringa auct. [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Odontoglossum × shuttleworthii auct. | Synonym |  | WCSP |  | 
	
		| Odontoglossum sodiroi Schltr. | Synonym |  | WCSP |  | 
	
		| Odontoglossum spathaceum Lindl. | Synonym |  | WCSP |  | 
	
		| Odontoglossum spectatissimum Lindl. | Synonym |  | WCSP |  | 
	
		| Odontoglossum spectatissimum var. cinctum (Rchb.f.) Bockemühl | Synonym |  | WCSP |  | 
	
		| Odontoglossum spilotanthum Linden & Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum splendens (Rchb.f.) G.C.Kenn. & Garay | Synonym |  | WCSP |  | 
	
		| Odontoglossum stachii Garay | Unresolved |  | TRO |  | 
	
		| Odontoglossum × staurastrum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum stellatum Lindl. | Synonym |  | WCSP |  | 
	
		| Odontoglossum × stellimicans Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum stenochilum Linden & Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum stenoglossum (Schltr.) L.O.Williams ex Correll | Synonym |  | WCSP |  | 
	
		| Odontoglossum stenoglossum Schltdl. | Synonym |  | TRO |  | 
	
		| Odontoglossum subcruciforme A.H.Heller | Synonym |  | WCSP |  | 
	
		| Odontoglossum subuligerum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum × tentaculatum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum tenue Cogn. | Synonym |  | WCSP |  | 
	
		| Odontoglossum tenuifolium Dalström | Synonym |  | WCSP |  | 
	
		| Odontoglossum tetraplasium Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum × thompsonianum Garnier [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Odontoglossum tigrinum (Lex.) Lindl. | Synonym |  | WCSP |  | 
	
		| Odontoglossum tigroides C.Schweinf. | Synonym |  | WCSP |  | 
	
		| Odontoglossum trilobum Schltr. | Synonym |  | WCSP |  | 
	
		| Odontoglossum tripudians Rchb.f. & Warsz. | Synonym |  | WCSP |  | 
	
		| Odontoglossum tripudians var. oculatum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum tripudians var. xanthoglossum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum triumphans Rchb.f. & Warsz. | Synonym |  | WCSP |  | 
	
		| Odontoglossum triumphans var. aureum B.S.Williams | Synonym |  | WCSP |  | 
	
		| Odontoglossum triumphans var. cinctum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum ulopterum Linden & Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum umbrosum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum uroskinneri Lindl. | Synonym |  | WCSP |  | 
	
		| Odontoglossum variegatum (Lindl.) Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum velleum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum × vexativum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum vexillarium Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum vexillarium var. lehmannii Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum vexillarium var. purpureum L.Linden & Rodigas | Synonym |  | WCSP |  | 
	
		| Odontoglossum vexillarium var. superbum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum victor Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum vierlingii Senghas | Synonym |  | WCSP |  | 
	
		| Odontoglossum viminale Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum × vuylstekeanum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum wageneri Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum wallisii Linden & Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum warneri Lindl. | Synonym |  | WCSP |  | 
	
		| Odontoglossum warneri var. purpuratum Lindl. | Synonym |  | WCSP |  | 
	
		| Odontoglossum warneri var. sordidum Lindl. | Synonym |  | WCSP |  | 
	
		| Odontoglossum warnerianum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum warocqueanum Linden & L.Linden | Synonym |  | WCSP |  | 
	
		| Odontoglossum warszewiczii Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum × wattianum Rolfe [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Odontoglossum × wattianum var. superbum J.Fraser | Synonym |  | WCSP |  | 
	
		| Odontoglossum weberbauerianum (Kraenzl.) Schltr. | Synonym |  | WCSP |  | 
	
		| Odontoglossum weirii Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum weltonii Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum × wendlandianum Rolfe [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Odontoglossum werneri (Schltr.) Garay | Synonym |  | WCSP |  | 
	
		| Odontoglossum × wilckeanum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum × wilckeanum var. pallens Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum williamsianum Rchb.f. | Synonym |  | WCSP |  | 
	
		| Odontoglossum × williamsianum Rchb. f. | Accepted |  | TRO |  | 
	
		| Odontoglossum wyattianum Gurney Wilson | Synonym |  | WCSP |  | 
	
		| Odontoglossum youngii Gower | Synonym |  | WCSP |  | 
	
		| Odontoglossum zebrinum Rchb.f. | Synonym |  | WCSP |  |