| Name | Campylopus gracilicaulis var. donnellii (Austin) Grout |
| Authorship | (Austin) Grout |
| Rank | Variety |
| Placed in | Campylopus gracilicaulis Mitten |
| Citation | 1937 Moss Fl. N. Amer. 1(2): 92. |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Campylopus gracilicaulis var. donnellii (Austin) Grout |
| Identification made in | [no date] (1) |