| Name | Dudleya pulverulenta subsp. arizonica (Rose) S. L. Welsh |
| Authorship | (Rose) S. L. Welsh |
| Rank | Subspecies |
| Placed in | Dudleya pulverulenta (Nuttall) Britton & Rose |
| Citation | 1987 Great Basin Naturalist Mem. 9: 242 |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Dudleya pulverulenta subsp. arizonica (Rose) S. L. Welsh |
| Identification made in | [no date] (4) |