Penstemon barbatus subsp. torreyi (Benth.) D.D. Keck Penstemon barbatus subsp. torreyi (Benth.) D.D. Keck in J. Wash. Acad. Sci. 29(11): 491. 1939 sec. The Plant List 2013=Penstemon barbatus var. torreyi (Benth.) A. Gray in Proc. Amer. Acad. Arts 6: 59. 1862 syn. sec. ???