| Name | Funastrum cynanchoides subsp. heterophyllum (Engelmann ex Torrey) Kartesz |
| Authorship | (Engelmann ex Torrey) Kartesz |
| Rank | Subspecies |
| Placed in | Funastrum cynanchoides (Decaisne) Schlechter |
| Holdings | 53 Specimens held in the Harvard University Herbaria identified as Funastrum cynanchoides subsp. heterophyllum (Engelmann ex Torrey) Kartesz |
| Identification made in | [no date] (51), 2017 (2) |