| Name | Sphagnum contortum var. squarrosulum (Gravet) Warnstorf |
| Authorship | (Gravet) Warnstorf |
| Rank | Variety |
| Placed in | Sphagnum contortum Schultz |
| Citation | 1884 Hedwigia 23: 100 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Sphagnum contortum var. squarrosulum (Gravet) Warnstorf |
| Identification made in | [no date] (1) |