| Name | Drepanocladus fluitans var. pinnatus (Boulay) Grout |
| Authorship | (Boulay) Grout |
| Rank | Variety |
| Placed in | Drepanocladus fluitans (Hedwig) Warnstorf |
| Citation | 1929 Check List Pleuroc. Mosses N. Amer. 16 |
| Holdings | 6 Specimens held in the Harvard University Herbaria identified as Drepanocladus fluitans var. pinnatus (Boulay) Grout |
| Identification made in | [no date] (6) |