| Name | Cerastium pilosum Greene ex Rydberg |
| Authorship | Greene ex Rydberg |
| Rank | Species |
| Placed in | Cerastium Linnaeus |
| Citation | 1906 Fl. Colorado [Rydberg] 129 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Cerastium pilosum Greene ex Rydberg |
| Identification made in | [no date] (1), 2010 (1) |