| Name | Sphagnum magellanicum var. obscurum (Warnstorf) C. E. O. Jensen |
| Authorship | (Warnstorf) C. E. O. Jensen |
| Rank | Variety |
| Placed in | Sphagnum magellanicum Bridel |
| Citation | 1915 Danmarks Mosser 1: 295 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Sphagnum magellanicum var. obscurum (Warnstorf) C. E. O. Jensen |
| Identification made in | [no date] (3) |