Oenothera biennis subsp. chicaginensis (de Vries ex Renner & Cleland) Á.Löve & D.Löve Dataset The Plant List with literature Rank SUBSPECIES Classification kingdom Plantae family Onagraceae genus Oenothera species Oenothera biennis Name Homonyms Oenothera biennis subsp. chicaginensis (de Vries ex Renner & Cleland) Á.Löve & D.Löve