| Name | Ipomoea cernua f. paraguariensis Hassler |
| Authorship | Hassler |
| Rank | Forma |
| Placed in | Ipomoea cernua var. meissneri Hassler |
| Citation | 1911 Repert. Spec. Nov. Regni Veg. 9: 156 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Ipomoea cernua f. paraguariensis Hassler |
| Identification made in | 2024 (1) |