| Name | Sphagnum recurvum var. longifolium (Warnstorf) Warnstorf |
| Authorship | (Warnstorf) Warnstorf |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Sphagnum recurvum P. Beauvois |
| Citation | 1884 Flora 67: 607 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Sphagnum recurvum var. longifolium (Warnstorf) Warnstorf |
| Identification made in | [no date] (1) |