- Family:
- Equisetaceae Rich. ex DC.
- Genus:
- Equisetum L.
Equisetum praealtum Raf.

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, Taiwan
- Equisetum affine (Engelm. ex Rydb) Rydb.
- Equisetum californicum (Milde) G.N.Jones
- Equisetum californicum f. herbaceum (A.A.Eaton) M.Broun
- Equisetum hyemale var. affine (Engelm.) A.A.Eaton
- Equisetum hyemale subsp. affine (Engelm.) Calder & Roy L.Taylor
- Equisetum hyemale var. californicum Milde
- Equisetum hyemale var. drummondii (Milde) A.A.Eaton
- Equisetum hyemale var. herbaceum A.A.Eaton
- Equisetum hyemale var. pseudohyemale (Farw.) C.V.Morton
- Equisetum hyemale f. pumilum (A.A.Eaton) Scoggan
- Equisetum hyemale var. pumilum A.A.Eaton
- Equisetum hyemale f. ramosum A.A.Eaton
- Equisetum hyemale var. robustum (A.Braun & Engelm.) A.A.Eaton
- Equisetum hyemale var. texanum Milde
- Equisetum komarovii Iljin ex Kom.
- Equisetum praealtum var. affine (Engelm.) M.Broun
- Equisetum praealtum f. drummondii (Milde) M.Broun
- Equisetum praealtum f. neopolystachyum (Farw.) M.Broun
- Equisetum praealtum f. polystachyum (Prag.) M.Broun
- Equisetum praealtum f. pumilum (A.A.Eaton) M.Broun
- Equisetum praealtum f. ramosum M.Broun
- Equisetum praealtum f. texanum (Milde) M.Broun
- Equisetum robustum A.Braun & Engelm.
- Equisetum robustum var. affine Engelm.
- Equisetum robustum var. drummondii Milde
- Equisetum robustum var. minus A.Braun & Engelm.
- Hippochaete hyemalis f. affinis (Engelm.) Satou
- Hippochaete hyemalis var. affinis (Engelm.) S.X.Li & J.Z.Wang
- Hippochaete hyemalis var. californica (Milde) Farw.
- Hippochaete hyemalis f. hondae Satou
- Hippochaete praealta (Raf.) Farw.
- Hippochaete praealta var. affinis (Engelm.) Farw.
- Hippochaete praealta subvar. neopolystachya Farw.
- Hippochaete praealta subvar. polystachya (Prag. ex A.A.Eaton) Farw.
- Hippochaete praealta var. pseudohyemalis Farw.
Equisetum praealtum Raf. appears in other Kew resources:
Date | Reference | Identified As | Barcode | Type Status | Has image? |
---|---|---|---|---|---|
Christenhusz, M.J.M. [6734B], USA | Equisetum hyemale subsp. affine | K000696308 | No |
First published in Fl. Ludov.: 13 (1817)
Accepted by
- 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.
Not accepted by
- Tropicos.org (2009-continuously updated). Tropicos.org. Missouri Botanical Garden http://www.tropicos.org/. [Cited as Equisetum hyemale.]
Literature
Kew Backbone Distributions
- 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.
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Herbarium Catalogue Specimens
-
Kew Backbone Distributions
The International Plant Names Index and World Checklist of Selected Plant Families 2022. 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
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Kew Names and Taxonomic Backbone
The International Plant Names Index and World Checklist of Selected Plant Families 2022. 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
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Kew Science Photographs
Copyright applied to individual images