Penstemon confertus var. procerus ssp. procerus (Dougl.) Clark., det. by David V. Clark, June 1971. / Penstemon procerus var. procerus Douglas ex Graham, det. by Andrea D. Wolfe, 30 June 1998. Original ID: Penstemon procerus. Herb. Perennial.
For additional information about this specimen, please contact: J Ryan Allen, Biodiversity Informatics Manager (Database inquiries) (james.r.allen@colorado.edu)