| Name | Physaria osterhoutii Payson |
| Authorship | Payson |
| Rank | Species |
| Placed in | Physaria |
| Citation | 1918 Ann. Missouri Bot. Gard. 5(2): 146 |
| Holdings | 8 Specimens held in the Harvard University Herbaria identified as Physaria osterhoutii Payson |
| Identification made in | [no date] (6), 1950 (1), 1981 (1) |