| Name | Blastospora butleri Sydow & P. Sydow |
| Authorship | Sydow & P. Sydow |
| Rank | Species |
| Placed in | Blastospora |
| Citation | 1912 Ann. Mycol. 10 (3): 266 |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Blastospora butleri Sydow & P. Sydow |
| Identification made in | [no date] (4) |