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This variety is accepted, and its native range is Central Siberia to Mongolia, Subarctic America to N & E. U.S.A.

Native to:

Alaska, Alberta, British Columbia, Buryatiya, Connecticut, Idaho, Iowa, Kansas, Maine, Manitoba, Massachusetts, Michigan, Minnesota, Mongolia, Montana, Nebraska, New Brunswick, New Hampshire, New York, Newfoundland, Northwest Territorie, Nova Scotia, Ohio, Ontario, Pennsylvania, Prince Edward I., Québec, Saskatchewan, South Dakota, Vermont, Washington, Wisconsin

Extinct in:

District of Columbia, Illinois, Indiana, New Jersey, North Dakota, Rhode I., Virginia

Acorus calamus var. americanus Raf. appears in other Kew resources:

First published in Med. Fl. 1: 25 (1828)

Accepted by

  • Govaerts, R. & Frodin, D.G. (2002). World Checklist and Bibliography of Araceae (and Acoraceae): 1-560. The Board of Trustees of the Royal Botanic Gardens, Kew.
  • Govaerts, R. (1995). World Checklist of Seed Plants 1(1, 2): 1-483, 1-529. MIM, Deurne.
  • Werier, D. (2017). Catalogue of the Vascular plants of New York state Memoirs of the Torrey Botanical Club 27: 1-542. New York Botanical Garden.

Not accepted by

  • Wu, Z. & Raven, P.H. (eds.) (2010). Flora of China 23: 1-515. Missouri Botanical Garden Press, St. Louis. [Cited as Acorus calamus.]

Literature

Kew Backbone Distributions

  • Meades, S.J. & Brouillet, L. (2019). Annotated Checklist of the Vascular Plants of Newfoundland and Labrador https://www.newfoundland-labradorflora.com/checklist/.
  • Wu, Z. & Raven, P.H. (eds.) (2010). Flora of China 23: 1-515. Missouri Botanical Garden Press, St. Louis.

Kew Backbone Distributions
The International Plant Names Index and World Checklist of Selected Plant Families 2021. 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 2021. 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