| Name | Hyalosema leysenianum Rolfe |
| Authorship | Rolfe |
| Rank | Species |
| Placed in | Hyalosema |
| Citation | 1919 Orchid Rev. xxvii. 131 |
| Holdings | 5 Specimens held in the Harvard University Herbaria identified as Hyalosema leysenianum Rolfe |
| Identification made in | [no date] (4), 1964 (1) |