| Name | Psorothamnus thompsoniae var. whitingii (Kearney & Peebles) Barneby |
| Authorship | (Kearney & Peebles) Barneby |
| Rank | Variety |
| Placed in | Psorothamnus thompsoniae (Vail) S. L. Welsh & N. D. Atwood |
| Citation | 1977 Mem. New York Bot. Gard. 27: 54 |
| Holdings | 5 Specimens held in the Harvard University Herbaria identified as Psorothamnus thompsoniae var. whitingii (Kearney & Peebles) Barneby |
| Identification made in | [no date] (3), 1977 (2) |