| Name | Phlox austromontana subsp. prostrata (E. E. Nelson) Wherry |
| Authorship | (E. E. Nelson) Wherry |
| Rank | Subspecies |
| Placed in | Phlox austromontana Coville |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Phlox austromontana subsp. prostrata (E. E. Nelson) Wherry |
| Identification made in | 1938 (1) |