Onagra chrysantha var. parviflora (Linnaeus) Spach nom. illeg.
Onagra chrysantha var. parviflora (Linnaeus) Spach nom. illeg. is a synonym sensu FNA Ed. Comm., 2021 of:
Oenothera parviflora Linnaeus, an accepted species name sensu FNA Ed. Comm., 2021.