| Name | Hydropus frater-niger Singer |
| Authorship | Singer |
| Rank | Species |
| Placed in | Hydropus |
| GUID | urn:lsid:indexfungorum.org:names:287101 |
| Citation | 1946 Mycologia 38(2): 227 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Hydropus frater-niger Singer |
| Identification made in | [no date] (2) |