| Name | Sphagnum cymbifolium var. laeve Warnstorf |
| Authorship | Warnstorf |
| Rank | Variety |
| Placed in | Sphagnum cymbifolium (Ehrhart) Hedwig |
| Holdings | 8 Specimens held in the Harvard University Herbaria identified as Sphagnum cymbifolium var. laeve Warnstorf |
| Identification made in | [no date] (8) |