| Name | Hypnum sarmentosum Wahlenberg |
| Authorship | Wahlenberg |
| Rank | Species |
| Placed in | Hypnum Hedwig |
| Citation | 1812 Fl. Lapp. (Wahlenberg) 380 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Hypnum sarmentosum Wahlenberg |
| Identification made in | [no date] (1) |