| Name | Drepanocladus exannulatus f. falcifolius (Renauld) Grout |
| Authorship | (Renauld) Grout |
| Rank | Forma |
| Placed in | Drepanocladus exannulatus (Bruch, Schimper & W. Gümbel) Warnstorf |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Drepanocladus exannulatus f. falcifolius (Renauld) Grout |
| Identification made in | [no date] (4) |