1. Family: Plantaginaceae Juss.
    1. Genus: Penstemon Schmidel
      1. Species: Penstemon fruticosus (Pursh) Greene
        1. Penstemon fruticosus var. serratus (D.D.Keck) Cronquist

        This variety is accepted, and is native to Washington, Idaho and Oregon..

    Distribution

    Native to:

    Idaho, Oregon, Washington

    Penstemon fruticosus var. serratus (D.D.Keck) Cronquist appears in other Kew resources:

    First published in Vasc. Pl. Pacif. N.W. 4: 385 (1959)

    Sources

    Kew Backbone Distributions
    The International Plant Names Index and World Checklist of Selected Plant Families 2019. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
    © Copyright 2017 World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

    Kew Names and Taxonomic Backbone
    The International Plant Names Index and World Checklist of Selected Plant Families 2019. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
    © Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0