Not an accepted name (status: unknown). The accepted name is Penstemon barbatus var. torreyi (Benth.) A.Gray, 1862.

Penstemon barbatus subsp. torreyi (Benth.) D.D.Keck, 1862 4% complete

No common name

Proc. Amer. Acad. Arts 6: 59 (1862)

There is no corrections for Penstemon barbatus subsp. torreyi yet.