| Oncidium altissimum (Jacq.) Sw. |
Accepted |
28 |
| Oncidium ansiferum Rchb. |
Accepted |
28 |
| Oncidium anthocrene Rchb. |
Accepted |
28 |
| Oncidium baueri Lindl. |
Accepted |
28 |
| Oncidium brachyandrum Lindl. |
Accepted |
28 |
| Oncidium cheirophorum Rchb. |
Accepted |
28 |
| Oncidium crispum Lodd. |
Accepted |
28 |
| Oncidium ensatum Lindl. |
Accepted |
28 |
| Oncidium hyphaematicum Rchb. |
Accepted |
28 |
| Oncidium incurvum Barker ex Lindl. |
Accepted |
28 |
| Oncidium inouei T. Hashim. |
Accepted |
26 |
| Oncidium isthmi Schltr. |
Accepted |
28 |
| Oncidium leucochilum Bateman ex Lindl. |
Accepted |
28 |
| Oncidium nigratum Lindl. & Paxton |
Accepted |
28 |
| Oncidium obryzatoides Kraenzl. |
Accepted |
28 |
| Oncidium obryzatum Rchb. & Warsz. |
Accepted |
28 |
| Oncidium ornithorhynchum Kunth |
Accepted |
28 |
| Oncidium panamense Schltr. |
Accepted |
28 |
| Oncidium parviflorum L. O. Williams |
Accepted |
28 |
| Oncidium polyadenium Lindl. |
Accepted |
28 |
| Oncidium sphacelatum Lindl. |
Accepted |
28 |
| Oncidium tigrinum Lex. |
Accepted |
28 |
| Oncidium wentworthianum Bateman ex Lindl. |
Accepted |
28 |
| Oncidium hastatum Mansf. |
Unresolved |
28 |
| Oncidium longifolium Lindl. |
Synonym of Cohniella longifolia (Lindl.) Cetzal & Carnevali |
14 |
| Oncidium cordatum Lindl. |
Synonym of Cyrtochilum cordatum (Lindl.) Kraenzl. |
28 |
| Oncidium flexuosum (Kunth) Lindl. |
Synonym of Cyrtochilum flexuosum Kunth |
28 |
| Oncidium macranthum Lindl. |
Synonym of Cyrtochilum macranthum (Lindl.) Kraenzl. |
28 |
| Oncidium serratum Lindl. |
Synonym of Cyrtochilum serratum (Lindl.) Kraenzl. |
28 |
| Oncidium pusillum (L.) Rchb. |
Synonym of Erycina pusilla (L.) N. H. Williams & M. W. Chase |
5 |
| Oncidium barbatum Lindl. & Paxton |
Synonym of Gomesa ciliata (Lindl.) M. W. Chase & N. H. Williams |
28 |
| Oncidium flexuosum Lodd. |
Synonym of Gomesa flexuosa (Lodd.) M. W. Chase & N. H. Williams |
28 |
| Oncidium curtum Lindl. |
Synonym of Gomesa gardneri (Lindl.) M. W. Chase & N. H. Williams |
26 |
| Oncidium marshallianum Rchb. |
Synonym of Gomesa marshalliana (Rchb.) M. W. Chase & N. H. Williams |
28 |
| Oncidium micropogon Rchb. |
Synonym of Gomesa micropogon (Rchb.) M. W. Chase & N. H. Williams |
28 |
| Oncidium sarcodes Lindl. |
Synonym of Gomesa sarcodes (Lindl.) M. W. Chase & N. H. Williams |
28 |
| Oncidium varicosum Lindl. |
Synonym of Gomesa varicosa (Lindl.) M. W. Chase & N. H. Williams |
56 |
| Oncidium varicosum Lindl. |
Synonym of Gomesa varicosa (Lindl.) M. W. Chase & N. H. Williams |
56 |
| Oncidium varicosum var. rogersii (Bateman) Rchb. |
Synonym of Gomesa varicosa (Lindl.) M. W. Chase & N. H. Williams |
56 |
| Oncidium harrisonianum Lindl. |
Synonym of Grandiphyllum auricula (Vell.) D. Neto |
21 |
| Oncidium pulvinatum Lindl. |
Synonym of Grandiphyllum divaricatum (Lindl.) D. Neto |
22 |
| Oncidium robustissimum Rchb. |
Synonym of Grandiphyllum divaricatum (Lindl.) D. Neto |
22 |
| Oncidium phymatochilum Lindl. |
Synonym of Miltonia phymatochila (Lindl.) N. H. Williams & M. W. Chase |
28 |
| Sigmatostalix adamsii Dodson |
Synonym of Oncidium adamsii (Dodson) M. W. Chase & N. H. Williams |
28 |
| Odontoglossum crispum Lindl. |
Synonym of Oncidium alexandrae (Bateman) M. W. Chase & N. H. Williams |
56 |
| Oncidium ansiferum None |
Synonym of Oncidium ansiferum Rchb. |
28 |
| Oncidium powellii Schltr. |
Synonym of Oncidium anthocrene Rchb. |
28 |
| Oncidium trilobum (Schltr.) Garay & Stacy |
Synonym of Oncidium aurarium Rchb. |
28 |
| Odontoglossum auriculatum Rolfe |
Synonym of Oncidium auriculatum (Rolfe) M. W. Chase & N. H. Williams |
28 |
| Odontoglossum cariniferum Rchb. |
Synonym of Oncidium cariniferum (Rchb.) Beer |
28 |
| Odontoglossum constrictum Lindl. |
Synonym of Oncidium constrictum (Lindl.) Beer |
28 |
| Odontoglossum cruentum Rchb. |
Synonym of Oncidium cruentoides M. W. Chase & N. H. Williams |
28 |
| Oncidium floridanum Ames |
Synonym of Oncidium ensatum Lindl. |
28 |
| Miltonia warscewiczii Rchb. |
Synonym of Oncidium fuscatum Rchb. |
28 |
| Odontoglossum hallii Lindl. |
Synonym of Oncidium hallii (Lindl.) Beer |
28 |
| Odontoglossum harryanum Rchb. |
Synonym of Oncidium harryanum (Rchb.) M. W. Chase & N. H. Williams |
28 |
| Odontoglossum kegeljani E. Morren |
Synonym of Oncidium kegeljani (E. Morren) M. W. Chase & N. H. Williams |
28 |
| Oncidium stenotis Rchb. |
Synonym of Oncidium lineoligerum Rchb. & Warsz. |
28 |
| Odontoglossum luteopurpureum Lindl. |
Synonym of Oncidium luteopurpureum (Lindl.) Beer |
28 |
| Oncidium volvox Rchb. |
Synonym of Oncidium maizifolium Lindl. |
28 |
| Odontoglossum lindleyanum var. mirandum (Rchb.) A. H. Kent |
Synonym of Oncidium mirandum (Rchb.) M. W. Chase & N. H. Williams |
28 |
| Odontoglossum mirandum Rchb. |
Synonym of Oncidium mirandum (Rchb.) M. W. Chase & N. H. Williams |
28 |
| Odontoglossum naevium Lindl. |
Synonym of Oncidium naevium (Lindl.) Beer |
28 |
| Odontoglossum nobile Rchb. |
Synonym of Oncidium nobile (Rchb.) M. W. Chase & N. H. Williams |
28 |
| Cochlioda noezliana (Mast.) Rolfe |
Synonym of Oncidium noezlianum (Mast.) M. W. Chase & N. H. Williams |
28 |
| Oncidium tetraskelidion Kraenzl. |
Synonym of Oncidium obryzatoides Kraenzl. |
28 |
| Odontoglossum odoratum Lindl. |
Synonym of Oncidium odoratum (Lindl.) Beer |
28 |
| Oncidium ornithorhynchum None |
Synonym of Oncidium ornithorhynchum Kunth |
28 |
| Oncidium ornithorhynchum None |
Synonym of Oncidium ornithorhynchum Kunth |
28 |
| Oncidium polyadenium None |
Synonym of Oncidium polyadenium Lindl. |
28 |
| Odontoglossum reversum Bockemühl |
Synonym of Oncidium reversoides M. W. Chase & N. H. Williams |
28 |
| Cochlioda rosea (Lindl.) Benth. |
Synonym of Oncidium roseum (Lindl.) Beer |
28 |
| Odontoglossum sceptrum Rchb. & Warsz. |
Synonym of Oncidium sceptrum (Rchb. & Warsz.) M. W. Chase & N. H. Williams |
28 |
| Oncidium sphacelatum None |
Synonym of Oncidium sphacelatum Lindl. |
28 |
| Odontoglossum stenoglossum Schltdl. |
Synonym of Oncidium stenoglossum (Schltr.) Dressler & N. H. Williams |
28 |
| Symphyglossum sanguineum (Rchb.) Schltr. |
Synonym of Oncidium strictum (Cogn.) M. W. Chase & N. H. Williams |
28 |
| Odontoglossum tripudians Rchb. & Warsz. |
Synonym of Oncidium tripudians (Rchb. & Warsz.) M. W. Chase & N. H. Williams |
28 |
| Odontoglossum wallisii Linden & Rchb. |
Synonym of Oncidium wallisii (Linden & Rchb.) M. W. Chase & N. H. Williams |
28 |
| Odontoglossum × andersonianum Rchb. |
Synonym of Oncidium × andersonianum (Rchb.) M. W. Chase & N. H. Williams |
28 |
| Oncidium globuliferum Kunth |
Synonym of Otoglossum globuliferum (Kunth) N. H. Williams & M. W. Chase |
28 |
| Oncidium kramerianum Rchb. |
Synonym of Psychopsis krameriana (Rchb.) H. G. Jones |
19 |
| Oncidium limminghei E. Morren ex Lindl. |
Synonym of Psychopsis limminghei (E. Morren) M. W. Chase |
28 |
| Oncidium papilio Lindl. |
Synonym of Psychopsis papilio (Lindl.) H. G. Jones |
19 |
| Oncidium papilio Lindl. |
Synonym of Psychopsis papilio (Lindl.) H. G. Jones |
19 |
| Oncidium maculatum (Lex.) Beer |
Synonym of Rhynchostele maculata (Lex.) S. Arenas & Salazar |
28 |
| Oncidium ampliatum Lindl. |
Synonym of Rossioglossum ampliatum (Lindl.) M. W. Chase & N. H. Williams |
22 |
| Oncidium bahamense Nash |
Synonym of Tolumnia bahamensis (Nash) Braem |
42 |
| Oncidium calochilum Cogn. |
Synonym of Tolumnia calochila (Cogn.) Braem |
21 |
| Oncidium desertorum Nash ex Withner |
Synonym of Tolumnia guianensis (Aubl.) Braem |
20 |
| Oncidium intermedium Bertero ex Spreng. |
Synonym of Tolumnia guianensis (Aubl.) Braem |
20 |
| Oncidium lemonianum Lindl. |
Synonym of Tolumnia guianensis (Aubl.) Braem |
20 |
| Oncidium guttatum (L.) Rchb. |
Synonym of Tolumnia guttata (L.) Nir |
14 |
| Oncidium henekenii M. R. Schomb. ex Lindl. |
Synonym of Tolumnia henekenii (M. R. Schomb.) Nir |
20 |
| Oncidium henekenii M. R. Schomb. ex Lindl. |
Synonym of Tolumnia henekenii (M. R. Schomb.) Nir |
20 |
| Oncidium jimenezii Moir |
Synonym of Tolumnia jimenezii (Moir) Braem |
21 |
| Oncidium leiboldii Rchb. |
Synonym of Tolumnia leiboldii (Rchb.) Braem |
21 |
| Oncidium leiboldii var. album Moir & A. D. Hawkes |
Synonym of Tolumnia leiboldii (Rchb.) Braem |
21 |
| Oncidium lucayanum Nash |
Synonym of Tolumnia lucayana (Nash) Braem |
20 |
| Oncidium pulchellum Hook. |
Synonym of Tolumnia pulchella (Hook.) Raf. |
21 |
| Oncidium quadrilobum C. Schweinf. |
Synonym of Tolumnia quadriloba (C. Schweinf.) Braem |
20 |
| Oncidium scandens Moir |
Synonym of Tolumnia scandens (Moir) Braem |
42 |
| Oncidium sylvestre Lindl. |
Synonym of Tolumnia sylvestris (Lindl.) Braem |
42 |
| Oncidium triquetrum (Sw.) R. Br. |
Synonym of Tolumnia triquetra (Sw.) Nir |
21 |
| Oncidium urophyllum Lodd. ex Lindl. |
Synonym of Tolumnia urophylla (Lodd.) Braem |
42 |
| Oncidium variegatum (Sw.) Sw. |
Synonym of Tolumnia variegata (Sw.) Braem |
21 |
| Oncidium varvelum Moir |
Synonym of Tolumnia variegata (Sw.) Braem |
21 |
| Oncidium velutinum Lindl. & Paxton |
Synonym of Tolumnia velutina (Lindl. & Paxton) Braem |
42 |
| Oncidium × ann-hadderae Moir |
Synonym of Tolumnia × ann-hadderae I. G. Cohen |
21 |
| Oncidium × cubense Moir |
Synonym of Tolumnia × cubense (Moir) H. Dietr. |
21 |
| Oncidium bicallosum Lindl. |
Synonym of Trichocentrum bicallosum (Lindl.) M. W. Chase & N. H. Williams |
14 |
| Oncidium carthagenense (Jacq.) Sw. |
Synonym of Trichocentrum carthagenense (Jacq.) M. W. Chase & N. H. Williams |
15 |
| Oncidium cavendishianum Bateman |
Synonym of Trichocentrum cavendishianum (Bateman) M. W. Chase & N. H. Williams |
14 |
| Oncidium cebolleta (Jacq.) Sw. |
Synonym of Trichocentrum cebolleta (Jacq.) M. W. Chase & N. H. Williams |
18 |
| Oncidium haematochilum Lindl. & Paxton |
Synonym of Trichocentrum haematochilum (Lindl. & Paxton) M. W. Chase & N. H. Williams |
14 |
| Oncidium jonesianum Rchb. |
Synonym of Trichocentrum jonesianum (Rchb.) M. W. Chase & N. H. Williams |
15 |
| Oncidium lanceanum Lindl. |
Synonym of Trichocentrum lanceanum (Lindl.) M. W. Chase & N. H. Williams |
13 |
| Oncidium luridum Lindl. |
Synonym of Trichocentrum luridum (Lindl.) M. W. Chase & N. H. Williams |
15 |
| Oncidium microchilum Bateman ex Lindl. |
Synonym of Trichocentrum microchilum (Bateman) M. W. Chase & N. H. Williams |
18 |
| Oncidium microchilum Bateman ex Lindl. |
Synonym of Trichocentrum microchilum (Bateman) M. W. Chase & N. H. Williams |
18 |
| Oncidium nanum Lindl. |
Synonym of Trichocentrum nanum (Lindl.) M. W. Chase & N. H. Williams |
13 |
| Oncidium ebrachiatum Ames & C. Schweinf. |
Synonym of Trichocentrum nudum (Bateman) M. W. Chase & N. H. Williams |
14 |
| Oncidium nudum Bateman ex Lindl. |
Synonym of Trichocentrum nudum (Bateman) M. W. Chase & N. H. Williams |
14 |
| Oncidium stipitatum Lindl. |
Synonym of Trichocentrum nudum subsp. stipitatum (Lindl.) Dressler & N. H. Williams |
18 |
| Oncidium oestlundianum L. O. Williams |
Synonym of Trichocentrum oestlundianum (L. O. Williams) M. W. Chase & N. H. Williams |
14 |
| Oncidium splendidum A. Rich. ex Duch. |
Synonym of Trichocentrum splendidum (A. Rich.) M. W. Chase & N. H. Williams |
18 |
| Oncidium stramineum Bateman ex Lindl. |
Synonym of Trichocentrum stramineum (Bateman) M. W. Chase & N. H. Williams |
14 |
| Oncidium teres Ames & C. Schweinf. |
Synonym of Trichocentrum teres (Ames & C. Schweinf.) M. W. Chase & N. H. Williams |
14 |
| Oncidium aurosum Rchb. & Warsz. |
Synonym of Vitekorchis excavata (Lindl.) Romowicz & Szlach. |
27 |
| Oncidium excavatum Lindl. |
Synonym of Vitekorchis excavata (Lindl.) Romowicz & Szlach. |
27 |
| Oncidium onustum Lindl. |
Synonym of Zelenkoa onusta (Lindl.) M. W. Chase & N. H. Williams |
28 |