Synonyms
Penstemon crandallii var. taosensis (D.D.Keck) G.T.Nisbet & R.C.Jacks.
Penstemon crandallii subsp. taosensis (D.D.Keck) J.T.Kartesz & Gandhi
Penstemon coloradoensis var. glabrescens (Pennell) A.Nelson
Penstemon glabrescens Pennell
Penstemon crandallii subsp. glabrescens (Pennell) D.D.Keck
Penstemon linarioides subsp. taosensis D.D.Keck