| Name | Sphagnum cuspidatum var. serrulatum (Schliephacke) Schliephacke |
| Authorship | (Schliephacke) Schliephacke |
| Rank | Variety |
| Placed in | Sphagnum cuspidatum Renauld |
| Citation | 1882 Irmischia 2: 67 |
| Holdings | 26 Specimens held in the Harvard University Herbaria identified as Sphagnum cuspidatum var. serrulatum (Schliephacke) Schliephacke |
| Identification made in | [no date] (26) |