Overview

Distribution

National Distribution

Canada

Origin: Native

Regularity: Regularly occurring

Currently: Present

Confidence: Confident

United States

Origin: Unknown/Undetermined

Regularity: Regularly occurring

Currently: Unknown/Undetermined

Confidence: Confident

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Localities documented in Tropicos sources

Equisetum × trachyodon (A. Braun) Koch:
Canada (North America)
Greenland (North America)
United States (North America)

Note: This information is based on publications available through Tropicos and may not represent the entire distribution. Tropicos does not categorize distributions as native or non-native.
  • Flora of North America Editorial Committee, e. 1993. Pteridophytes and Gymnosperms. 2: i–xvi, 1–475. In Fl. N. Amer. Oxford University Press, New York.   http://www.tropicos.org/Reference/10884 External link.
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Localities documented in Tropicos sources

Equisetum trachyodon (A. Braun) W.D.J. Koch:
Canada (North America)
Greenland (North America)
United States (North America)

Note: This information is based on publications available through Tropicos and may not represent the entire distribution. Tropicos does not categorize distributions as native or non-native.
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© Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO 63110 USA

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Physical Description

Type Information

Type collection for Equisetum variegatum var. jesupii A.A. Eaton ex Gilbert
Catalog Number: US 413148
Collection: Smithsonian Institution, National Museum of Natural History, Department of Botany
Preparation: Pressed specimen
Collector(s): W. W. Eggleston
Year Collected: 1893
Locality: Vermont, United States, North America
  • Type collection: Gilbert, B. D. 1901. List N. Amer. Pterid. 8: 27.
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Type collection for Equisetum variegatum var. jesupii A.A. Eaton ex Gilbert
Catalog Number: US 590555
Collection: Smithsonian Institution, National Museum of Natural History, Department of Botany
Preparation: Pressed specimen
Collector(s): W. W. Eggleston
Year Collected: 1893
Locality: Vermont, United States, North America
  • Type collection: Gilbert, B. D. 1901. List N. Amer. Pterid. 8: 27.
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Conservation

Conservation Status

National NatureServe Conservation Status

Canada

Rounded National Status Rank: NNA - Not Applicable

United States

Rounded National Status Rank: NNA - Not Applicable

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NatureServe Conservation Status

Rounded Global Status Rank: GNA - Not Applicable

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Names and Taxonomy

Taxonomy

Comments: hybrid between Equisetum hyemale ssp. affine and Equisetum variegatum ssp. alaskanum

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