| Name | Hysterium biforme Fries |
| Authorship | Fries |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Hysterium |
| Citation | 1818 Observ. Mycol. (Fr.) 2: 354 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Hysterium biforme Fries |
| Identification made in | [no date] (1) |