| Isochilus linearis (Jacq.) R. Br., 1813 |
| Isochilus linearis var. carnosiflorus (Lindl.) Correll, 1941 |
| Isochilus linearis var. unilateralis (B.L. Rob.) Correll, 1941 |
| Isochilus major Schltdl. & Cham., 1831 |
| Isochilus major var. alatus (Schltr.) Correll, 1941 |
| Isochilus major var. amparoanus (Schltr.) Correll, 1941 |
| Isochilus oaxacanus Salazar & Soto Arenas, 2008 |
| Isochilus peruvianus Schltr., 1921 |
| Isochilus pitalensis Hamer & Garay, 1981 |
| Isochilus prolifera Lindl. ex C. Schweinf., 1944 |
| Isochilus ramosus (Jacq.) Spreng., 1826 |
| Isochilus teretifolius (Sw.) Lindl., 1831 |
| Isochilus unilateralis B.L. Rob., 1894 |
| Jacquiniella Schltr., 1920 |
| Jacquiniella cernua (Lindl.) Dressler, 1966 |
| Jacquiniella cobanensis (Ames & Schltr.) Dressler, 1966 |
| Jacquiniella equitantifolia (Ames) Dressler, 1966 |
| Jacquiniella gigantea Dressler, Salazar & García-Cruz, 1992 |
| Jacquiniella globosa (Jacq.) Schltr., 1920 |
| Jacquiniella leucomelana (Rchb. f.) Schltr., 1920 |