Oenothera ammophiloides var. flecticaulis (R.R. Gates) R.R. Gates
Oenothera ammophiloides var. flecticaulis (R.R. Gates) R.R. Gates is a synonym sensu FNA Ed. Comm., 2021 of:
Oenothera parviflora Linnaeus, an accepted species name sensu FNA Ed. Comm., 2021.