| Name | Calliergon stramineum var. nivale (Lorentz) G. Roth |
| Authorship | (Lorentz) G. Roth |
| Rank | Variety |
| Placed in | Calliergon stramineum (Dickson ex Bridel) Kindberg |
| Citation | 1904 Eur. Laubm. 2: 575. 52 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Calliergon stramineum var. nivale (Lorentz) G. Roth |
| Identification made in | [no date] (1) |