| Name | Underwoodia singeri Gamundi & E. Horak |
| Authorship | Gamundi & E. Horak |
| Rank | Species |
| Placed in | Underwoodia |
| Citation | 1979 Beih. Sydowia 8: 162 |
| Holdings | 7 Specimens held in the Harvard University Herbaria identified as Underwoodia singeri Gamundi & E. Horak |
| Identification made in | [no date] (7) |