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

        This species is accepted, and its native range is S. Alaska to N. California.

    [EDGE]

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

    Conservation
    Tsuga heterophylla 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 720 on the EDGE Gymnosperm list. It has a Evolutionary Distinctiveness of 16.65, ranked 145. More information on the EDGE Gymnosperm project here https://www.edgeofexistence.org.

    Distribution

    Native to:

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

    Introduced into:

    Denmark, France, Germany, Great Britain, Ireland, Norway

    Tsuga heterophylla (Raf.) Sarg. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Apr 1, 2012 Goldman, D.H. [2993], USA K000554685
    Mar 1, 2010 Ball, J. [s.n.], USA K000554519
    Mar 1, 2010 Ball, J. [s.n.], USA K000554531
    Mar 1, 2010 Pringle, C.G. [s.n.], USA K000554532
    Mar 1, 2010 Eyerdam, W.J. [3238], USA K000554514
    Mar 1, 2010 McDonald, J. [s.n.], USA K000554513
    Mar 1, 2010 leg. ign. [s.n.], USA K000554533
    Mar 1, 2010 Eastwood, A. [1048], USA K000554512
    Mar 1, 2010 Moir, T.R.G. [247], Canada K000554525
    Mar 1, 2010 Elrod, M.J. [s.n.], USA K000554529
    Mar 1, 2010 Thompson, J.W. [7570], USA K000554534
    Mar 1, 2010 Sandberg, J.H. [708], USA K000554526
    Mar 1, 2010 Calder, J.A. [21838], Canada K000554521
    Mar 1, 2010 Calder, J.A. [21908], Canada K000554523
    Mar 1, 2010 Shaw, C.H. [701], Canada K000554520
    Mar 1, 2010 Rosendahl, C.O. [926], Canada K000554515
    Mar 1, 2010 Farr, E.M. [s.n.], Canada K000554518
    Mar 1, 2010 Zeller, S.M. [839], USA K000554538
    Mar 1, 2010 Halse, R.R. [4543], USA K000554530
    Mar 1, 2010 Leiberg, J.B. [1648], USA K000554527
    Mar 1, 2010 Barkley, F.A. [1989], USA K000554528
    Mar 1, 2010 Lamb, F.H. [1309], USA K000554536
    Mar 1, 2010 Culbertson, J.N. [5016], USA K000554511
    Mar 1, 2010 Grant, J.M. [s.n.], USA K000554537
    Mar 1, 2010 Grant, J.M. [s.n.], USA K000554539
    Mar 1, 2010 Allen, O.D. [305], USA K000554535
    Mar 1, 2010 Macoun, J.M. [s.n.], Canada K000554517
    Mar 1, 2010 Hultén, E. [5011], USA K000554510
    Mar 1, 2010 Heacock, E.R. [475], Canada K000554516
    Calder, J.A. [21154], Canada K000554524
    Nelson, L.A. [OR080-005], USA K000554610

    First published in Silva N. Amer. 12: 78 (1898)

    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.
    • Tutin, T.G. & al. (eds.) (1993). Flora Europaea ed. 2, 1: 1-581. Cambridge University Press.

    Literature

    Kew Backbone Distributions
    • Farjon, A. (2001). World Checklist and Bibliography of Conifers, ed. 2: 1-309. The Royal Botanic Gardens, Kew.
    • Tutin, T.G. & al. (eds.) (1993). Flora Europaea ed. 2, 1: 1-581. Cambridge University Press.

    Sources

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

    Herbarium Catalogue Specimens
    'The Herbarium Catalogue, Royal Botanic Gardens, Kew. Published on the Internet http://www.kew.org/herbcat [accessed on Day Month Year]'. Please enter the date on which you consulted the system.

    Kew Backbone Distributions
    The International Plant Names Index and World Checklist of Selected Plant Families 2018. 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 2018. 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