Oenothera tetragona var. hybrida (Michaux) Fernald

Oenothera tetragona var. hybrida (Michaux) Fernald is a synonym sensu FNA Ed. Comm., 2021 of:

Oenothera fruticosa subsp. tetragona (Roth) W.L. Wagner, an accepted subspecies name sensu FNA Ed. Comm., 2021.