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  1. Family: Pinaceae Spreng. ex F.Rudolphi
    1. Genus: Tsuga (Endl.) Carrière

      1. Tsuga mertensiana (Bong.) Carrière

        This species is accepted, and its native range is Alaska to W. U.S.A.

    [EDGE]

    Forest, F. et al. 2018. Gymnosperms on the EDGE. Scientific Reports 8: 6053. doi:10.1038/s41598-018-24365-4.

    Conservation
    Tsuga mertensiana is rated as Least Concerned (LC) according to IUCN Red List criteria and has received a EDGE score of -7.09, which places it in position 721 on the EDGE Gymnosperm list. It has a Evolutionary Distinctiveness of 16.61, ranked 146. More information on the EDGE Gymnosperm project here https://www.edgeofexistence.org.

    Distribution

    Native to:

    Alaska, British Columbia, California, Idaho, Montana, Nevada, Oregon, Washington

    Tsuga mertensiana (Bong.) Carrière appears in other Kew resources:

    First published in Traité Gén. Conif., ed. 2: 250 (1867)

    Accepted by

    • Farjon, A. (2010). A handbook of the world's Conifers 2: 533-1111. BRILL, Leiden, Boston.
    • Farjon, A. (2001). World Checklist and Bibliography of Conifers, ed. 2: 1-309. The Royal Botanic Gardens, Kew.

    Literature

    Kew Backbone Distributions
    • USDA, NRCS (2005- continuously updated). Natural Resources Conservation Services Plant Database http://plants.usda.gov/cgi_bin/topics.cgi?earl=checklist.html.
    • Farjon, A. (2001). World Checklist and Bibliography of Conifers, ed. 2: 1-309. The Royal Botanic Gardens, Kew.

    Sources

    EDGE Gymnosperms
    EDGE of Existence (Gymnosperms)
    http://creativecommons.org/licenses/by-nc-sa/3.0

    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