Penstemon albifluvis England, Det. W.A. Weber, 8 February 1996. / Penstemon scariosus var. albifluvis, Det. Bill Jennings, 14 March 1998. Original ID: Penstemon.
For additional information about this specimen, please contact: J Ryan Allen, Biodiversity Informatics Manager (Database inquiries) (james.r.allen@colorado.edu)