Acoraceae
Acorus

Acorus americanus (Raf.) Raf.

First published in New Fl. 1: 57 (1836)
This species is accepted
The native range of this species is Siberia to Inner Mongolia, Subarctic America to N & E. U.S.A. It is a rhizomatous geophyte or helophyte and grows primarily in the temperate biome.

Distribution

Native to:

Alaska, Alberta, Altay, Amur, British Columbia, Buryatiya, Connecticut, Idaho, Inner Mongolia, Iowa, Irkutsk, Kamchatka, Kansas, Khabarovsk, Krasnoyarsk, Maine, Manitoba, Massachusetts, Michigan, Minnesota, Mongolia, Montana, Nebraska, New Brunswick, New Hampshire, New York, Newfoundland, Northwest Territories, Nova Scotia, Nunavut, Ohio, Ontario, Pennsylvania, Primorye, Prince Edward I., Québec, Saskatchewan, South Dakota, Tuva, Vermont, Washington, West Siberia, Wisconsin, Yakutiya, Yukon

Extinct in:

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

Introduced into:

Colorado

Synonyms

Homotypic Synonyms

Accepted Infraspecifics

Classification

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Publications

POWO follows these authorities in accepting this name:

  • (2024). https://doi.org/10.1002/tax.13173. epublication.

An alternative taxonomy had been proposed by the following authorities:

  • 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. [Cited as Acorus calamus var. americanus.]
  • Govaerts, R. (1995). World Checklist of Seed Plants 1(1, 2): 1-483, 1-529. MIM, Deurne. [Cited as Acorus calamus var. americanus.]

Kew Backbone Distributions

  • (2024). http://dx.doi.org/10.3390/plants13141978. epublication.
  • (2024). https://doi.org/10.1002/tax.13173. epublication.
  • Meades, S.J. & Brouillet, L. (2019). Annotated Checklist of the Vascular Plants of Newfoundland and Labrador https://newfoundland-labradorflora.ca/checklist/.
  • Wu, Z. & Raven, P.H. (eds.) (2010). Flora of China 23: 1-515. Missouri Botanical Garden Press, St. Louis.

Other Data

Other Kew resources that provide information on this taxon:

Sources

  • Kew Backbone Distributions

    • The International Plant Names Index and World Checklist of Vascular Plants 2026. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0

  • Kew Names and Taxonomic Backbone

    • The International Plant Names Index and World Checklist of Vascular Plants 2026. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 International Plant Names Index and World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0