| Name | Paronychia diffusa A. Nelson |
| Authorship | A. Nelson |
| Rank | Species |
| Placed in | Paronychia |
| Citation | 1899 Bull. Torrey Bot. Club 26(5): 237 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Paronychia diffusa A. Nelson |
| Identification made in | [no date] (1), 2020 (1) |