Verbatim text: Morefield, J. D. 2006. Current Knowledge and Conservation Status of Penstemon bicolor (Brandegee) Clokey & Keck (Plantaginaceae), the Two-tone Beardtongue. Carson City.
Author: Morefield, J.D.
Year: 2006
Title: Current Knowledge and Conservation Status of Penstemon bicolor (Brandegee) Clokey & Keck (Plantaginaceae), the Two-tone Beardtongue