| Name | Collomia debilis subsp. ipomoea (Payson) Wherry |
| Authorship | (Payson) Wherry |
| Rank | Subspecies |
| Placed in | Collomia debilis (S. Watson) Greene |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Collomia debilis subsp. ipomoea (Payson) Wherry |
| Identification made in | 1944 (1) |