| Name | Porina olivacea var. microspora Fink |
| Authorship | Fink |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Porina olivacea (Persoon) A. L. Smith |
| GUID | urn:lsid:indexfungorum.org:names:432774 |
| Citation | 1933 Mycologia 25: 308 |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Porina olivacea var. microspora Fink |
| Identification made in | 1974 (4) |