| Name | Phlox drummondii subsp. tharpii (Whitehouse) Wherry |
| Authorship | (Whitehouse) Wherry |
| Rank | Subspecies |
| Placed in | Phlox drummondii Hooker |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Phlox drummondii subsp. tharpii (Whitehouse) Wherry |
| Identification made in | [no date] (4) |
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