Family: Onagraceae
[Oenothera albinervis R.R.Gates, more..., Oenothera biennis var. canescens L., Oenothera canovirens Steele, Oenothera depressa Greene, Oenothera strigosa subsp. canovirens (Rydb.) Mack. & Bush, Oenothera villosa subsp. canovirens Thunb.]