| Name | Omphalotus olivascens H. E. Bigelow, O. K. Miller & Thiers |
| Authorship | H. E. Bigelow, O. K. Miller & Thiers |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Omphalotus Fayod |
| Citation | 1976 Mycologia 3(3): 363 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Omphalotus olivascens H. E. Bigelow, O. K. Miller & Thiers |
| Identification made in | [no date] (1), 1979 (1) |