Taxon: Equisetum telmateia Ehrh.

• Check PlantSearch database of Botanic Gardens Conservation International for possible non-NPGS germplasm.

A declared aquatic or terrestrial noxious weed and/or noxious-weed seed in these U.S. states (see state noxious weed lists), with links to state information or web documents:

OR*.

ªAquatic.

*Terrestrial.

°In seed.

Link to noxious weed information from

See also subordinate taxa:

• Equisetum telmateia subsp. braunii (no accessions)
• Equisetum telmateia subsp. telmateia (no accessions)

Common names:

• giant horsetail   (Source: F NAmer ) – English
  
• giant horsetail   (Source: Herbs Commerce ) – English   [Equisetum telmateia subsp. telmateia]
  
• great horsetail   (Source: BSBI ) – English
  

Economic importance:

• Medicines: folklore   (fide Herbs Commerce ed2)
  
• Weed   (fide Global Comp Weeds)
  

More:

View ethnobotanical data from Duke's Phytochemical and Ethnobotanical Databases

View ethnobotanical data from Moerman's Native American Ethnobotany Database

Distributional range:

• AFRICA
  Northern Africa: Algeria; Morocco; Tunisia
• ASIA-TEMPERATE
  Western Asia: Iran; Turkey
  Caucasus: Azerbaijan; Georgia; Russian Federation - Ciscaucasia, Dagestan
• EUROPE
  Northern Europe: Denmark; United Kingdom
  Middle Europe: Austria; Belgium; Czechoslovakia; Germany; Hungary; Netherlands; Poland; Switzerland
  East Europe: Ukraine
  Southeastern Europe: Albania; Bulgaria; Former Yugoslavia; Greece; Italy; Romania
  Southwestern Europe: France; Portugal; Spain
• NORTHERN AMERICA (Check conservation status in U.S. & Canada in NatureServe Explorer database)
  Subarctic America: United States - Alaska
  Western Canada: Canada - British Columbia
  Northwestern U.S.A.: United States - Oregon, Washington
  Southwestern U.S.A.: United States - California

References:

• Botanical Society of the British Isles. BSBI taxon database (on-line resource).
• Czerepanov, S. K. 1995. Vascular plants of Russia and adjacent states (the former USSR).
• FNA Editorial Committee. 1993–. Flora of North America. 2:80.
• Hickman, J. C., ed. 1993. The Jepson manual: higher plants of California.
• Jahandiez, E. & R. Maire. 1931–1941. Catalogue des plantes du Maroc.
• Komarov, V. L. et al., eds. 1934–1964. Flora SSSR. [= E. majus].
• McGuffin, M., J. T. Kartesz, A. Y. Leung, & A. O. Tucker. 2000. Herbs of commerce, ed. 2.
• Randall, R. P. 2002. A global compendium of weeds.
• Tutin, T. G. et al., eds. 1993. Flora europaea, second edition.

More:

Search AGRICOLA article citation database for citations referencing Equisetum telmateia.

Search NCBI's Entrez search engine for PubMed citations referencing Equisetum telmateia.

Search Biodiversity Heritage Library for historical publications referencing Equisetum telmateia.

Synonyms:

• (=) Equisetum majus Garsault
  

Check other web resources for Equisetum telmateia Ehrh.:

• Flora Europaea: Database of European Plants (ESFEDS)
• 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
• Mansfeld: Mansfeld's World Database of Agricultural and Horticultural Crops
• 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.

Check other web resources for images:

• PlantSystematics.org
• Note: Be advised that their identity may be inaccurate. Proper identification of a plant may require specialized taxonomic knowledge or comparison with properly documented herbarium material.

Abbreviations & symbols in GRIN Taxonomy

Ctrl P to print