| Name | Sphagnum rubellum var. purpurascens (Warnstorf) Horrell |
| Authorship | (Warnstorf) Horrell |
| Rank | Variety |
| Placed in | Sphagnum rubellum Wilson |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Sphagnum rubellum var. purpurascens (Warnstorf) Horrell |
| Identification made in | [no date] (4) |