| Name | Pediomelum castoreum (S. Watson) Rydberg |
| Authorship | (S. Watson) Rydberg |
| Rank | Species |
| NomenclaturalStatus | Unknown |
| Placed in | Pediomelum Rydberg |
| GUID | urn:lsid:ipni.org:names:186561-2 |
| Holdings | 10 Specimens held in the Harvard University Herbaria identified as Pediomelum castoreum (S. Watson) Rydberg |
| Identification made in | [no date] (6), 1987 (2), 1988 (2) |