Oenothera biennis var. cruciata (Nuttall) Torrey & A. Gray

Oenothera biennis var. cruciata (Nuttall) Torrey & A. Gray is a synonym sensu FNA Ed. Comm., 2021 of:

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