| Name | Isochilus major var. amparoanus (Schlechter) Correll |
| Authorship | (Schlechter) Correll |
| Rank | Variety |
| Placed in | Isochilus major Chamisso & Schlechtendal |
| Citation | 1941 Bot. Mus. Leafl. 10(1): 11–12 |
| Holdings | 43 Specimens held in the Harvard University Herbaria identified as Isochilus major var. amparoanus (Schlechter) Correll |
| Identification made in | [no date] (21), 1941 (14), 1946 (4), 1951 (2), 1952 (1), 1963 (1) |