| Name | Campylopus underwoodii R. S. Williams |
| Authorship | R. S. Williams |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Campylopus Bridel |
| Citation | 1913 N. Amer. Fl. 15: 142 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Campylopus underwoodii R. S. Williams |
| Identification made in | 1980 (1) |