| Name | Claussenomyces olivaceus (Fuckel) Sherwood |
| Authorship | (Fuckel) Sherwood |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Claussenomyces |
| Citation | 1981 Canad. J. Bot. 59(3): 367 |
| Holdings | 6 Specimens held in the Harvard University Herbaria identified as Claussenomyces olivaceus (Fuckel) Sherwood |
| Identification made in | [no date] (1), 2017 (2), 2020 (3) |