Oenothera tetragona var. latifolia (Rydberg) Fernald

Oenothera tetragona var. latifolia (Rydberg) 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.