| Name | Drepanocladus uncinatus var. gracillimus (Berggren) F. C. M. Störmer |
| Authorship | (Berggren) F. C. M. Störmer |
| Rank | Variety |
| Placed in | Drepanocladus uncinatus (Hedwig) Warnstorf |
| Citation | 1940 Meddel. Norges Svalbard- Ishavs-Undersok. 47: 11 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Drepanocladus uncinatus var. gracillimus (Berggren) F. C. M. Störmer |
| Identification made in | [no date] (1) |