| Name | Brachythecium populeum var. rufescens Schimper |
| Authorship | Schimper |
| Rank | Variety |
| Placed in | Brachythecium populeum (Hedwig) Schimper |
| Citation | 1853 Bryol. Eur. 6: 7. 536z |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Brachythecium populeum var. rufescens Schimper |
| Identification made in | [no date] (1) |