| Name | Agoseris retrorsa (Bentham) Greene |
| Authorship | (Bentham) Greene |
| Rank | Species |
| NomenclaturalStatus | Unknown |
| Placed in | Agoseris Rafinesque |
| Holdings | 43 Specimens held in the Harvard University Herbaria identified as Agoseris retrorsa (Bentham) Greene |
| Identification made in | [no date] (43) |