Oenothera sackvillensis var. royfraseri (R.R. Gates) R.R. Gates

Oenothera sackvillensis var. royfraseri (R.R. Gates) R.R. Gates is a synonym sensu FNA Ed. Comm., 2021 of:

Oenothera biennis Linnaeus, an accepted species name sensu FNA Ed. Comm., 2021.