1. Family: Hypericaceae Juss.
    1. Genus: Hypericum Tourn. ex L.
      1. Hypericum boreale (Britton) E.P.Bicknell

        This species is accepted, and its native range is Central & E. Canada to N. Central & E. U.S.A.

    Distribution

    Native to:

    Connecticut, Delaware, Illinois, Indiana, Iowa, Maine, Manitoba, Maryland, Masachusettes, Michigan, Minnesota, New Brunswick, New Hampshire, New Jersey, New York, Newfoundland, North Carolina, Nova Scotia, Ohio, Ontario, Pennsylvania, Prince Edward I., Québec, Rhode I., Vermont, Virginia, West Virginia, Wisconsin

    Introduced into:

    British Columbia, Oregon, Washington

    Hypericum boreale (Britton) E.P.Bicknell appears in other Kew resources:

    First published in Bull. Torrey Bot. Club 22: 211 (1896)

    Accepted by

    • Flora of North America Editorial Committee (2015). Flora of North America North of Mexico 6: 1-468. Oxford University Press, New York, Oxford.
    • Robson, N.K.B. (2012). Studies in the genus Hypericum L. (Hypericaceae) 9. Addenda, corrigenda, keys, lists and general discussion Phytotaxa 72: 1-111.

    Not accepted by

    • Robson, N.K.B. (1990). Studies in the genus Hypericum (Guttiferae) 8. Sections 29. Brathys (part 2) and 30. Trigynobrathys Bulletin of the British Museum (Natural History). Botany 20: 1-151. [Cited as Hypericum mutilum subsp. boreale.]

    Literature

    Kew Backbone Distributions
    • Flora of North America Editorial Committee (2015). Flora of North America North of Mexico 6: 1-468. Oxford University Press, New York, Oxford.
    • Robson, N.K.B. (1990). Studies in the genus Hypericum (Guttiferae) 8. Sections 29. Brathys (part 2) and 30. Trigynobrathys Bulletin of the British Museum (Natural History). Botany 20: 1-151.

    Sources

    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