| Name | Phacelia dubia var. rionensis F. Levy, Z. H. Hou & S. Taylor-Bennetts |
| Authorship | F. Levy, Z. H. Hou & S. Taylor-Bennetts |
| Rank | Variety |
| Placed in | Phacelia dubia (Linnaeus) Trelease |
| Citation | 18 Oct 2021 J. Torrey Bot. Soc. 148(4): 274 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Phacelia dubia var. rionensis F. Levy, Z. H. Hou & S. Taylor-Bennetts |
| Identification made in | [no date] (3) |