Taxon: Echinocactus polycephalus Engelm. & J. M. Bigelow

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

Species on the following lists:

• CITES Appendix II
  
• Check conservation status and distribution in NatureServe Explorer database

See also subordinate taxa:

• Echinocactus polycephalus var. polycephalus (no accessions)
• Echinocactus polycephalus var. xeranthemoides (no accessions)

Common names:

• cottontop cactus   (Source: F NAmer ) – English
  
• many-head barrel cactus   (Source: F NAmer ) – English
  

Economic importance:

• View ethnobotanical data from Moerman's Native American Ethnobotany Database

Distributional range:

• NORTHERN AMERICA (Check conservation status in U.S. & Canada in NatureServe Explorer database)
  Southwestern U.S.A.: United States - Arizona, California [s.], Nevada [s.]
  Northern Mexico: Mexico - Sonora [n.w.]

References:

• CITES. Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES) Appendices I, II and III (on-line resource).
• Chamberland, M. 1997. Systematics of the Echinocactus polycephalus complex (Cactaceae). Syst. Bot. 22:303–313.
• FNA Editorial Committee. 1993–. Flora of North America.
• Hickman, J. C., ed. 1993. The Jepson manual: higher plants of California.
• Hunt, D. et al., eds. 2006. The new cactus lexicon.
• Shreve, F. & I. L. Wiggins. 1964. Vegetation and flora of the Sonoran desert.

More:

Search AGRICOLA article citation database for citations referencing Echinocactus polycephalus.

Search NCBI's Entrez search engine for PubMed citations referencing Echinocactus polycephalus.

Search Biodiversity Heritage Library for historical publications referencing Echinocactus polycephalus.

Check other web resources for Echinocactus polycephalus Engelm. & J. M. Bigelow:

• 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.

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