Equisetaceae
Equisetum

Equisetum praealtum Raf.

First published in Fl. Ludov.: 13 (1817)
This species is accepted
The native range of this species is NE. China to Russian Far East and Japan, N. & Central America. It is a rhizomatous geophyte and grows primarily in the temperate biome.

Distribution

Native to:

Alabama, Alaska, Alberta, Arizona, Arkansas, British Columbia, California, Colorado, Connecticut, Delaware, District of Columbia, Florida, Georgia, Greenland, Guatemala, Idaho, Illinois, Indiana, Iowa, Japan, Kamchatka, Kansas, Kentucky, Louisiana, Maine, Manchuria, Manitoba, Maryland, Massachusetts, Mexico Central, Mexico Gulf, Mexico Northeast, Mexico Northwest, Mexico Southeast, Mexico Southwest, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Brunswick, New Hampshire, New Jersey, New Mexico, New York, Newfoundland, North Carolina, North Dakota, Northwest Territorie, Nova Scotia, Ohio, Oklahoma, Ontario, Oregon, Pennsylvania, Québec, Rhode I., Sakhalin, Saskatchewan, South Carolina, South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming, Yukon

Introduced into:

Belgium, Germany, Great Britain, Netherlands, Taiwan

Synonyms

Homotypic Synonyms

Heterotypic Synonyms

Classification

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Publications

POWO follows these authorities in accepting this name:

  • Chang, C.-S., Kim, H. & Chang, K.S. (2021). Checklist of Far East Asian Vascular Flora 1: 1-626. EABCN, Seoul.
  • Christenhusz, M.J.M., Bangiolo, L., Chanse, M.W., Fay, M.F., Husby, C., Witkus, M. & Viruel, J. (2019). Phylogenetics, classification and typification of extant horstails (Equisetum, Equisetaceae). Botanical Journal of the Linnean Society 189: 311-352.
  • Kuo, L.Y. & al. (2019). Updating Taiwanese pteridophyte checklist: a new phylogenetic classification. Taiwania 64: 367-395.
  • Werier, D. (2017). Catalogue of the Vascular plants of New York state. Memoirs of the Torrey Botanical Club 27: 1-542.

An alternative taxonomy had been proposed by the following authorities:

  • Tropicos.org (2009-continuously updated). Tropicos.org. Missouri Botanical Garden http://www.tropicos.org/. [Cited as Equisetum hyemale.]

Kew Backbone Distributions

  • Berry, M. (2024). Adventives & aliens news 31. BSBI News 155: 21-31.
  • Kuo, L.Y. & al. (2019). Updating Taiwanese pteridophyte checklist: a new phylogenetic classification. Taiwania 64: 367-395.
  • Verloove, F. (2019). Manual of the Alien Plants of Belgium http://alienplantsbelgium.be.

Other Data

Other Kew resources that provide information on this taxon:

Date Reference Identified As Barcode Type Status Has image?
Muenscher, W.C.; Eames, A.J. [18446] United States Equisetum hyemale var. affine K001612873 Yes
Christenhusz, M.J.M., Chase,M. & Fay,M. [6544] United States Equisetum hyemale subsp. affine K001069119 No
Clausen, R.T. [19043] United States Equisetum hyemale subsp. affine K001611274 Yes
Christenhusz, M.J.M. [2009-0746] Russia Equisetum komarovii K000696327 No

Sources

  • Herbarium Catalogue Specimens

    • Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/

  • Kew Backbone Distributions

    • The International Plant Names Index and World Checklist of Vascular Plants 2024. 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 2024. 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

  • Kew Science Photographs

    • Copyright applied to individual images