| Name | Calliergon sarmentosum var. beringianum (Cardot & Thériot) Grout |
| Authorship | (Cardot & Thériot) Grout |
| Rank | Variety |
| Placed in | Calliergon sarmentosum (Wahlenberg) Kindberg |
| Citation | 1931 Moss Fl. N. Amer. 3: 98 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Calliergon sarmentosum var. beringianum (Cardot & Thériot) Grout |
| Identification made in | [no date] (3) |