| Name | Campylium polygamum var. longinerve (Renauld & Cardot) Grout |
| Authorship | (Renauld & Cardot) Grout |
| Rank | Variety |
| Placed in | Campylium polygamum (Schimper) C. E. O. Jensen |
| Citation | 1931 Moss Fl. N. Amer. 3: 84 |
| Holdings | 5 Specimens held in the Harvard University Herbaria identified as Campylium polygamum var. longinerve (Renauld & Cardot) Grout |
| Identification made in | [no date] (5) |