| Name | Agoseris ×agrestis Osterhout |
| Authorship | Osterhout |
| Rank | Species |
| Placed in | Agoseris Rafinesque |
| Citation | 1901 Bull. Torrey Bot. Club 28: 645 |
| Holdings | 21 Specimens held in the Harvard University Herbaria identified as Agoseris ×agrestis Osterhout |
| Identification made in | [no date] (5), 1998 (16) |