| Name | Sphagnum medium var. virescens (Warnstorf) Horrell |
| Authorship | (Warnstorf) Horrell |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Sphagnum medium Limpricht |
| Citation | 1900 J. Bot. 38: 478 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Sphagnum medium var. virescens (Warnstorf) Horrell |
| Identification made in | [no date] (1) |