Oenothera biennis subsp. rubricaulis (Klebahn) Stomps nom. illeg.

Oenothera biennis subsp. rubricaulis (Klebahn) Stomps nom. illeg. is a synonym sensu FNA Ed. Comm., 2021 of:

Oenothera biennis Linnaeus, an accepted species name sensu FNA Ed. Comm., 2021.