| Name | Sphagnum medium f. virescens Warnstorf |
| Authorship | Warnstorf |
| Rank | Forma |
| NomenclaturalStatus | NomLeg |
| Placed in | Sphagnum medium Limpricht |
| Citation | 1890 Bot. Gaz. 15: 254 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Sphagnum medium f. virescens Warnstorf |
| Identification made in | 1904 (1) |
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