| Name | Psittacanthus sonorae (S. Watson) Standley |
| Authorship | (S. Watson) Standley |
| Rank | Species |
| NomenclaturalStatus | Unknown |
| Placed in | Psittacanthus |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Psittacanthus sonorae (S. Watson) Standley |
| Identification made in | [no date] (1) |