| Name | Hamaspora acutissima Sydow & P. Sydow |
| Authorship | Sydow & P. Sydow |
| Rank | Species |
| Placed in | Hamaspora |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Hamaspora acutissima Sydow & P. Sydow |
| Identification made in | [no date] (2) |