Oenothera serrulata subsp. drummondii (Torrey & A. Gray) Munz

Oenothera serrulata subsp. drummondii (Torrey & A. Gray) Munz is a synonym sensu FNA Ed. Comm., 2021 of:

Oenothera serrulata Nuttall, an accepted species name sensu FNA Ed. Comm., 2021.