Oenothera biennis subsp. chicaginensis (de Vries ex Renner & Cleland) Á. Löve & D. Löve
Oenothera biennis subsp. chicaginensis (de Vries ex Renner & Cleland) Á. Löve & D. Löve is a synonym sensu FNA Ed. Comm., 2021 of:
Oenothera biennis Linnaeus, an accepted species name sensu FNA Ed. Comm., 2021.