| Name | Aniseia cernua f. chacoensis Hassler |
| Authorship | Hassler |
| Rank | Forma |
| Placed in | Aniseia cernua Moricand |
| Citation | 1911 Repert. Spec. Nov. Regni Veg. 9: 156 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Aniseia cernua f. chacoensis Hassler |
| Identification made in | 2018 (2) |