| Name | Didymium farinaceum var. genuinum Rostafínsky & Cooke |
| Authorship | Rostafínsky & Cooke |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Didymium farinaceum Schrader |
| GUID | urn:lsid:indexfungorum.org:names:169630 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Didymium farinaceum var. genuinum Rostafínsky & Cooke |
| Identification made in | [no date] (3) |