| Name | Petalostemon truncatus Rydberg |
| Authorship | Rydberg |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Petalostemon |
| GUID | urn:lsid:ipni.org:names:513163-1 |
| Citation | 1920 N. Amer. Fl. 24: 124 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Petalostemon truncatus Rydberg |
| Identification made in | [no date] (2) |