Oenothera subg. Kneiffia (Spach) Munz

Oenothera subg. Kneiffia (Spach) Munz is a synonym sensu FNA Ed. Comm., 2021 of:

Oenothera sect. Kneiffia (Spach) Straley, an accepted section name sensu FNA Ed. Comm., 2021.