| Name | Phlox diffusa subsp. subcarinata Wherry | 
| Authorship | Wherry | 
| Rank | Subspecies | 
| Placed in | Phlox diffusa Bentham | 
| Holdings | 17 Specimens held in the Harvard University Herbaria identified as Phlox diffusa subsp. subcarinata Wherry | 
| Identification made in | [no date] (17) | 
