| Name | Drymocallis oregana Rydberg |
| Authorship | Rydberg |
| Rank | Species |
| Placed in | Drymocallis |
| Citation | 1908 N. Amer. Fl. 22: 374 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Drymocallis oregana Rydberg |
| Identification made in | [no date] (1), 2007 (2) |