Onagra biennis var. strigosa (Rydberg) Piper

Onagra biennis var. strigosa (Rydberg) Piper is a synonym sensu FNA Ed. Comm., 2021 of:

Oenothera villosa subsp. strigosa (Rydberg) W. Dietrich & P.H. Raven, an accepted subspecies name sensu FNA Ed. Comm., 2021.