As classified in WFO snapshot
June 2024
Warning: older classification
variety
Penstemon stenophyllus var. dasyphyllus
(A.Gray) A.Gray
This variety name was first published in Syn. Fl. N. Amer. , ed. 2, 2(1): 441 (1886)
This variety name has been reclassified since this snapshot. Its current preferred usage is a synonym .