Pachylophus montanus (Nuttall) A. Nelson
Pachylophus montanus (Nuttall) A. Nelson is a synonym sensu FNA Ed. Comm., 2021 of:
Oenothera cespitosa Nuttall subsp. cespitosa, an accepted subspecies name sensu FNA Ed. Comm., 2021.
Pachylophus montanus (Nuttall) A. Nelson is a synonym sensu FNA Ed. Comm., 2021 of:
Oenothera cespitosa Nuttall subsp. cespitosa, an accepted subspecies name sensu FNA Ed. Comm., 2021.