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Taxon: Equisetum ×nelsonii (A. A. Eaton) J. H. Schaffn.

Genus: Equisetum
Family: Equisetaceae
Nomen number: 412275
Place of publication: Amer. Fern J. 16:46. 1926, pro sp.
Link to protologue:
  • • a natural hybrid
  • • = E. laevigatum × E. variegatum
Name Verified on: 13-Jan-1999 by ARS Systematic Botanists.
Accessions: 0 (0 active, 0 available) in National Plant Germplasm System

Autonyms (not in current use), synonyms and invalid designations:

(≡ homotypic synonym, = heterotypic synonym, - autonym, I invalid designation)

Distributional Range:


    Northern America
    • EASTERN CANADA: Canada [Québec (s.), Ontario (s.e.)]
    • NORTHEASTERN U.S.A.: United States [Indiana (n.), Michigan, New York]
    • NORTH-CENTRAL U.S.A.: United States [Illinois (n.), Minnesota (s.w.), Wisconsin]
    • NORTHWESTERN U.S.A.: United States [Montana (n.-c.), Oregon (n.e.), Wyoming (n.w.)]
    • SOUTH-CENTRAL U.S.A.: United States [New Mexico]


  1. FNA Editorial Committee. 1993-. Flora of North America. 2:84.
  2. Hartman, R. L. et al. 2006. New vascular plant records for New Mexico. Sida 22:1229.

Check other web resources for Equisetum ×nelsonii (A. A. Eaton) J. H. Schaffn. :

  • Flora of North America: Collaborative Floristic Effort of North American Botanists
  • PLANTS: USDA-NRCS Database of Plants of the United States and its Territories
  • BONAP North American Plant Atlas of the Biota of North America Program:
  • TROPICOS: Nomenclatural and Specimen Database of the Missouri Botanical Garden
  • ePIC: Electronic Plant Information Centre of Royal Botanic Gardens, Kew
  • AGRICOLA: Article Citation Database or NAL Catalog of USDA's National Agricultural Library
  • Entrez: NCBI's search engine for PubMed citations, GenBank sequences, etc.
  • PubAg: USDA's National Agricultural Library database of full-text journal articles and citations on the agricultural sciences.

Cite as: USDA, Agricultural Research Service, National Plant Germplasm System. 2020. Germplasm Resources Information Network (GRIN-Taxonomy).
National Germplasm Resources Laboratory, Beltsville, Maryland. URL: https://npgsweb.ars-grin.gov/gringlobal/taxonomydetail.aspx?id=412275. Accessed 5 July 2020.