Oenothera densiflora var. imbricata (Greene) H. Léveillé

Oenothera densiflora var. imbricata (Greene) H. Léveillé is a synonym sensu FNA Ed. Comm., 2021 of:

Epilobium densiflorum (Lindley) Hoch & P.H. Raven, an accepted species name sensu FNA Ed. Comm., 2021.