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Equisetum hyemale L. var. affine (Engelm.) A.A. Eaton
scouringrush horsetail

       
Symbol:    
Group:    
Family:    
Duration:    
Growth Habit:    
Native Status:  
  
  
  
  



Click on the image below to enlarge it and download a high-resolution TIFF file.
Line Drawing of Equisetum hyemale L. var. affine (Engelm.) A.A. Eaton
Equisetum robustum

Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 1: 41. Courtesy of Kentucky Native Plant Society. Scanned by Omnitek Inc. Usage Requirements.
 
More Information:
 

Images:
Equisetum hyemale L. var. affine (Engelm.) A.A. Eaton

See all the Equisetum thumbnails at the PLANTS Gallery
 

Synonyms:
Equisetum hyemale L. var. affine (Engelm.) A.A. Eaton

  EQAF Equisetum affine Engelm.
  EQHYA2 Equisetum hyemale L. ssp. affine (Engelm.) Calder & Roy L. Taylor
  EQHYC Equisetum hyemale L. var. californicum Milde
  EQHYP Equisetum hyemale L. var. pseudohyemale (Farw.) Morton
  EQHYR Equisetum hyemale L. var. robustum (A. Braun) A.A. Eaton
  EQPR3 Equisetum praealtum Raf.
  EQRO Equisetum robustum A. Braun
  HIHY2 Hippochaete hyemalis (L.) Bruhin
  HIHYA Hippochaete hyemalis (L.) Bruhin ssp. affinis (Engelm.) W.A. Weber
 

Distribution:
Equisetum hyemale L. var. affine (Engelm.) A.A. Eaton

View Native Status
Distribution Map Legend

See U.S. county distributions (when available) by clicking on the map or the linked states below:

USA (AK, AL, AR, AZ, CA, CO, CT, DC, DE, FL, GA, IA, ID, IL, IN, KS, KY, LA, MA, MD, ME, MI, MN, MO, MS, MT, NC, ND, NE, NH, NJ, NM, NV, NY, OH, OK, OR, PA, RI, SC, SD, TN, TX, UT, VA, VT, WA, WI, WV, WY), CAN (AB, BC, MB, NB, NF, NS, NT, ON, QC, SK, YT), DEN (GL)
 

Related Taxa:
Equisetum hyemale L. var. affine (Engelm.) A.A. Eaton

View 1 genera in Equisetaceae, 18 species in Equisetum, 1 varieties in Equisetum hyemale L.
 

Classification:
Equisetum hyemale L. var. affine (Engelm.) A.A. Eaton

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 hyemale L. – scouringrush horsetail
Variety Equisetum hyemale L. var. affine (Engelm.) A.A. Eaton – scouringrush horsetail
 

Threatened and Endangered Information:
Equisetum hyemale L. var. affine (Engelm.) A.A. Eaton

The synonyms italicized and indented below are listed by the U.S. federal government or a state. Common names are from state and federal lists. Click on a place name to get a complete protected plant list for that location.

Rhode Island:
Equisetum hyemale ssp. affine
rough horsetail              Special Concern
 

U.S. Weed Information:
Equisetum hyemale L. var. affine (Engelm.) A.A. Eaton

Equisetum hyemale
scouringrush horsetail

The related entity italicized and indented above can be weedy or invasive according to 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 weed list, or click here for a composite list of Weeds of the U.S.

SWSS        Southern Weed Science Society. 1998. Weeds of the United States and Canada. CD-ROM. Southern Weed Science Society. Champaign, Illinois.
 

Wetland Indicator Status:
Equisetum hyemale L. var. affine (Engelm.) A.A. Eaton

Equisetum hyemale:

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
FAC+,FACW FACW FAC+ FACW- FACW FACW FACW FACW FACW FACW FACW FACW NO NO
Interpreting Wetland Indicator Status
 

More Accounts and Images:
Equisetum hyemale L. var. affine (Engelm.) A.A. Eaton

View photographs from CalPhotos.

View species account and distribution map from Flora of North America (FNA).

View species account and distribution from USF Atlas of Florida Vascular Plants.

View species account from ARS Germplasm Resources Information Network (GRIN).

View taxonomic account from Integrated Taxonomic Information System (ITIS) for ITIS Taxonomic Serial Number 527892.

View species account and distribution map from Jepson Interchange (University of California - Berkeley).

View species account and photographs from Lady Bird Johnson Wildflower Center Native Plant Information Network (NPIN).

View photographs and distribution from University of Tennessee Herbarium.

View species account and photographs from University of Wisconsin - Stevens Point Freckmann Herbarium.

 
 
Time Generated: 10/25/2008 11:54 PM MDT