| Name | Hymenogaster mutabilis (Soehner) Zeller & C. W. Dodge |
| Authorship | (Soehner) Zeller & C. W. Dodge |
| Rank | Species |
| Placed in | Hymenogaster |
| Citation | 1934 Ann. Missouri Bot. Gard. 21: 657 |
| Holdings | 6 Specimens held in the Harvard University Herbaria identified as Hymenogaster mutabilis (Soehner) Zeller & C. W. Dodge |
| Identification made in | [no date] (6) |