slender blue penstemon
slender blue penstemon (Klinkenberg, 2010+) is a synonym English vernacular name for:
Penstemon procerus Douglas ex Graham var. procerus , an accepted variety name sensu FNA Ed. Comm., 2019.
slender blue penstemon (Klinkenberg, 2010+) is a synonym English vernacular name for:
Penstemon procerus Douglas ex Graham var. procerus , an accepted variety name sensu FNA Ed. Comm., 2019.