| Name | Hymenogaster decorus C. Tulasne & Tulasne |
| Authorship | C. Tulasne & Tulasne |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Hymenogaster |
| Citation | 1843 Ann. Sci. Nat., Bot. 19: 374 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Hymenogaster decorus C. Tulasne & Tulasne |
| Identification made in | [no date] (1) |