Penstemon davidsonii subsp. menziesii D.D. Keck
Penstemon davidsonii subsp. menziesii D.D. Keck is a synonym sensu FNA Ed. Comm., 2019 of:
Penstemon davidsonii var. menziesii (D.D. Keck) Cronquist, an accepted variety name sensu FNA Ed. Comm., 2019.
Penstemon davidsonii subsp. menziesii D.D. Keck is a synonym sensu FNA Ed. Comm., 2019 of:
Penstemon davidsonii var. menziesii (D.D. Keck) Cronquist, an accepted variety name sensu FNA Ed. Comm., 2019.