Penstemon ramaleyi A.Nelson species synonym

Penstemon procumbens Greene species synonym

Penstemon linarioides subsp. taosensis D.D.Keck subspecies synonym

Penstemon glabrescens Pennell species synonym

Penstemon crandallii subsp. taosensis (D.D.Keck) J.T.Kartesz & Gandhi subspecies synonym

Penstemon crandallii subsp. procumbens (Greene) D.D.Keck subspecies synonym

Penstemon crandallii var. atratus (D.D.Keck) N.H.Holmgren variety accepted

Penstemon coloradoensis var. glabrescens (Pennell) A.Nelson variety synonym

Penstemon crandallii var. glabrescens (Pennell) D.D.Keck variety synonym

Penstemon crandallii var. crandallii variety accepted

Penstemon crandallii var. atractus (D.D.Keck) N.H.Holmgren variety synonym

Penstemon crandallii var. taosensis (D.D.Keck) G.T.Nisbet & R.C.Jacks. variety synonym

Penstemon crandallii subsp. glabrescens (Pennell) D.D.Keck subspecies synonym

Penstemon crandallii subsp. atratus D.D.Keck subspecies synonym

Penstemon crandallii var. procumbens (Greene) C.C.Freeman variety accepted

Penstemon crandallii var. ramaleyi (A.Nelson) C.C.Freeman variety accepted

Penstemon crandallii var. glabrescens (Pennell) C.C.Freeman variety accepted