Penstemon davidsonii var. ellipticus (J.M. Coulter & Fisher) B. Boivin

Penstemon davidsonii var. ellipticus (J.M. Coulter & Fisher) B. Boivin is a synonym sensu FNA Ed. Comm., 2019 of:

Penstemon ellipticus J.M. Coulter & Fisher, an accepted species name sensu FNA Ed. Comm., 2019.