| Name | Psorothamnus polydenius (Torrey ex S. Watson) Barneby |
| Authorship | (Torrey ex S. Watson) Barneby |
| Rank | Species |
| NomenclaturalStatus | Unknown |
| Placed in | Psorothamnus |
| Contains | Psorothamnus polydenius var. jonesii Barneby Psorothamnus polydenius var. polydenius |
| Holdings | 38 Specimens held in the Harvard University Herbaria identified as Psorothamnus polydenius (Torrey ex S. Watson) Barneby |
| Identification made in | [no date] (33), 1977 (4), 1999 (1) |