| Name | Mathewsia biennis Bridges ex Turczaninow |
| Authorship | Bridges ex Turczaninow |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Mathewsia |
| Citation | 1863 Bull. Soc. Imp. Naturalistes Moscou 36: 550 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Mathewsia biennis Bridges ex Turczaninow |
| Identification made in | [no date] (2) |