| Name | Sphagnum molluscum var. robustum Warnstorf |
| Authorship | Warnstorf |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Sphagnum molluscum Bruch |
| Citation | 1881 Eur. Torfm. 93 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Sphagnum molluscum var. robustum Warnstorf |
| Identification made in | [no date] (1) |