| Name | Fimbristylis autumnalis var. mucronulata (Michaux) Fernald |
| Authorship | (Michaux) Fernald |
| Rank | Variety |
| Placed in | Fimbristylis autumnalis (Linnaeus) Roemer & Schultes |
| Citation | 1935 Rhodora 37(443): 398 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Fimbristylis autumnalis var. mucronulata (Michaux) Fernald |
| Identification made in | [no date] (1) |