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Equisetum arvense L.
field horsetail
Symbol: EQAR
Group: Horsetail
Family: Equisetaceae
Growth Habit: Forb/herb
Duration: Perennial
U.S. Nativity: Native
Click on the image below to enlarge it and download a high-resolution JPEG file.
Click on this Photograph of Equisetum arvense (field horsetail) to enlarge it and download a high-resolution JPEG file Robert H. Mohlenbrock. USDA SCS. 1989. Midwest wetland flora: Field office illustrated guide to plant species. Midwest National Technical Center, Lincoln, NE. Courtesy of USDA NRCS Wetland Science Institute. Usage Guidelines.

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Plant Synonyms:
EQAR Equisetum arvense L.
 

EQARA

Equisetum arvense L. var. alpestre Wahlenb.
 

EQARB

Equisetum arvense L. var. boreale (Bong.) Rupr.
 

EQARC

Equisetum arvense L. var. campestre Wahlenb.
 

EQARR

Equisetum arvense L. var. riparium Farw.
 

EQCA

Equisetum calderi Boivin
More Information
About field horsetail

Link to plant characteristics report for Equisetum arvense

Link to plant Classification report for Equisetum arvense

Plant source and reference for Equisetum arvense

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State Distributional Map for EQAR
© Image generated using gd 1.8
Plant Distribution by State

Equisetum arvense L.

EQAR

See county distributions for the following states by clicking on them below or on the map.

AR CA CT
GA IL IA
KS KY ME
MA MO NH
NC ND RI
SD TN* UT*
VT VA WV
WI*
* Offsite source.
Alabama
Alaska
Arizona
Arkansas
California
Colorado
Connecticut
Delaware
Georgia
Idaho
Illinois
Indiana
Iowa
Kansas
Kentucky
Maine
Maryland
Massachusetts
Michigan
Minnesota
Mississippi
Missouri
Montana
Nebraska
Nevada
New Hampshire
New Jersey
New Mexico
New York
North Carolina
North Dakota
Ohio
Oklahoma
Oregon
Pennsylvania
Rhode Island
South Carolina
South Dakota
Tennessee
Texas
Utah
Vermont
Virginia
Washington
West Virginia
Wisconsin
Wyoming

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Kansas distribution information New Hampshire distribution information Utah distribution information linked offsite at Utah State University West Virginia distribution information Wisconsin distribution information linked offsite at University of Wisconsin Madison Iowa distribution information Arkansas distribution information Connecticut distribution information Maine distribution information Massachusetts distribution information South Dakota distribution information North Carolina distribution information Illinois distribution information North Dakota distribution information Virginia distribution information Kentucky distribution information California distribution information Missouri distribution information Vermont distribution information Tennessee distribution information linked offsite at Univerity of Tennessee Herbarium Rhode Island distribution information Georgia distribution information
Related Taxa:
Equisetum arvense L.

View 1 genus in Equisetaceae, 16 species in Equisetum

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Classification:
Equisetum arvense L.

Click on a scientific name below to expand it in the PLANTS Classification Report.
   
    Kingdom Plantae – Plants
       Subkingdom Tracheobionta – Vascular plants
          Division Equisetophyta – Horsetails
             Class Equisetopsida –
                Order Equisetales –
                   Family Equisetaceae – Horsetail family
                      Genus Equisetum L. – horsetail
                         Species Equisetum arvense L. – field horsetail

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Invasive Information:
Equisetum arvense L.
        western horsetail
        field horsetail
        scouring rush
This plant is considered invasive by the authoritative sources noted below. This plant may be known by one or more common names in different places, and some are listed above. Click on an acronym to view each invasive plant list, or click here for a composite list of Invasive Plants of the U.S.
N'EAST   Uva, R.H., J.C. Neal, & J.M. DiTomaso. 1997. Weeds of the Northeast. Cornell University Press. Ithaca, New York.. 397pp.
 
NE&GP;   Stubbendieck, J., G.Y. Friisoe, & M.R. Bolick. 1994. Weeds of Nebraska and the Great Plains. Nebraska Department of Agriculture, Bureau of Plant Industry. Lincoln, Nebraska.. 589pp.
 
WSWS   Whitson, T.D. (Ed.) et al.. 1996. Weeds of the West. Western Society of Weed Science in cooperation with Cooperative Extension Services, University of Wyoming. Laramie, Wyoming.. 630pp.
 

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Wetland Indicator Status:
Equisetum arvense L.
Nat. Ind. Reg. 1 Reg. 2 Reg. 3 Reg. 4 Reg. 5 Reg. 6 Reg. 7 Reg. 8 Reg. 9 Reg. 0 Reg. A Reg. C Reg. H
FACU,FACW- FAC FAC FAC FAC FAC FAC+ FACW- FAC+ FAC FAC FACU NO NO

Wetland Data InformationInterpreting wetland indicator status

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Other Species Accounts and Images:
Equisetum arvense L.
View photographs from CalPhotos.
View species account from USDA Forest Service Fire Effects Information System (FEIS).
View species account and distribution map from Flora of North America (FNA).
View species account from ARS Germplasm Resources Information Network (GRIN).
View taxonomic account from Integrated Taxonomic Information System (ITIS) for ITIS Taxonomic Serial Number 17152.
View photographs from University of Tennessee Herbarium.
View species account or photographs from Wisconsin State Herbarium (UW-Madison).

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Related Web Sites:
Equisetum arvense L.

    British Columbia Ag. & Food, Crop Protection Program
    CalFlora: database occurrence
    Cornell University: Poisonous Plant Databases (images)

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