| Name | Cyperus alternifolius subsp. flabelliformis Kükenthal |
| Authorship | Kükenthal |
| Rank | Subspecies |
| Placed in | Cyperus alternifolius L. |
| Citation | 1936 Pflanzenr. [Engler] IV. 20(Heft 101): 193 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Cyperus alternifolius subsp. flabelliformis Kükenthal |
| Identification made in | [no date] (1) |