Taxon: Ambrosia trifida L.

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:

CA*, DE*°, IL*, NJ°.

ªAquatic.

*Terrestrial.

°In seed.

Link to noxious weed information from

Common names:

• buffalo-weed   (Source: AH 505 ) – English
  
• giant ragweed   (Source: World Econ Pl ) – English
  
• horse-weed   (Source: F Ohio ) – English
  
• grande herbe à poux   (Source: F NAmer ) – French
  
• ambrósia   (Source: D. Groth, p.c. 2005) – Portuguese (Brazil)
  
• artemisia   (Source: D. Groth, p.c. 2005) – Portuguese (Brazil)
  

Economic importance:

• Vertebrate poisons: mammals   (to humans, source of allergenic airborne pollen fide F NGalicia)
  
• Weed: also potential seed contaminant   (fide Intermt F)
  

More:

View toxicology references for Ambrosia trifida from FDA Poisonous Plant Database

View ethnobotanical data from Moerman's Native American Ethnobotany Database

Distributional range:

      Native: (links to other web resources are provided for some distributions)

• NORTHERN AMERICA (Check conservation status in U.S. & Canada in NatureServe Explorer database)
  Eastern Canada: Canada - New Brunswick, Nova Scotia, Ontario, Prince Edward Island, Quebec
  Western Canada: Canada - Alberta, British Columbia [s.], Manitoba, Saskatchewan
  Northeastern U.S.A.: United States - Indiana, Michigan, Ohio, Pennsylvania, West Virginia
  North-Central U.S.A.: United States - Illinois, Iowa, Kansas, Minnesota, Missouri, Nebraska, North Dakota, Oklahoma, South Dakota, Wisconsin
  Northwestern U.S.A.: United States - Colorado, Montana, Wyoming
  Southeastern U.S.A.: United States - Alabama, Arkansas, Georgia, Kentucky, Louisiana, Maryland, Mississippi, North Carolina, South Carolina, Tennessee, Virginia
  South-Central U.S.A.: United States - Texas
  Northern Mexico: Mexico - Chihuahua, Coahuila, Sonora

      Naturalized:

• widely naturalized elsewhere

References:

• Brown, R. G. & M. L. Brown. 1984. Herbaceous plants of Maryland. (HPl Mary)
• Correll, D. S. & M. C. Johnston. 1970. Manual of the vascular plants of Texas. (F Tex)
• Cronquist, A. et al. 1972–. Intermountain flora. (Intermt F)
• Deam, C. C. 1940. Flora of Indiana. (F Indiana)
• Encke, F. et al. 1984. Zander: Handwörterbuch der Pflanzennamen, 13. Auflage. (Zander ed13)
• FNA Editorial Committee. 1993–. Flora of North America. (F NAmer)
• Gleason, H. A. & A. Cronquist. 1963. Manual of vascular plants of northeastern United States and adjacent Canada. (Glea Cron)
• Groth, D. 2005. pers. comm. [re. Brazilian common names].
• Jarvis, C. E. & N. J. Turland, eds. 1998. Typification of Linnaean specific and varietal names in the Compositae (Asteraceae). Taxon 47:351. [typification].
• Komarov, V. L. et al., eds. 1934–1964. Flora SSSR. (F USSR)
• McGregor, R. L. et al. (The Great Plains Flora Association). 1977. Atlas of the Flora of the Great Plains. (Atlas GPlains)
• McGregor, R. L. et al. (The Great Plains Flora Association). 1986. Flora of the Great Plains. (F GPlains)
• McVaugh, R. 1983–. Flora Novo-Galiciana. (F NGalicia) [mentions].
• Munz, P. A. & D. D. Keck. 1959. A California flora. (F CalifMunz)
• Ohio Flora Committee (E. L. Braun, T. S. Cooperrider, T. R. Fisher, J. J. Furlow). 1967–. The vascular flora of Ohio. (F Ohio)
• Radford, A. E. et al., eds. 1980–. Vascular flora of the southeastern United States. (F SE US)
• Radford, A. E. et al. 1964. Manual of the vascular flora of the Carolinas. (F Carolin)
• Scoggan, H. J. 1978–1979. The flora of Canada, 4 vol. (F Canada)
• Seed Regulatory and Testing Branch, Agricultural Marketing Service, U.S.D.A. 1999. State noxious-weed seed requirements recognized in the administration of the Federal Seed Act. (State Noxweed Seed)
• Steyermark, J. A. 1977. Flora of Missouri. (F Missouri)
• Terrell, E. E. et al. 1986. Agric. Handb. no. 505. (AH 505)
• Tutin, T. G. et al., eds. 1964–1980. Flora europaea. (F Eur)
• Voss, E. 1972–. Michigan flora. (F Mich)
• Wunderlin, R. P. 1998. Guide to the vascular plants of Florida. (F Florida)

More:

Search AGRICOLA article citation database for citations referencing Ambrosia trifida.

Search NCBI's Entrez search engine for PubMed citations referencing Ambrosia trifida. Note: Defaults to a search by genus or species epithet if species binomial not found.

Check other databases for Ambrosia trifida L.:

• 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
• 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.
  Note: Defaults to a search by genus or species epithet if species binomial not found.

Images:

• Forestry Images: from www.forestryimages.org
• Fruits: U.S. National Seed Herbarium image
• Fruits: Seed ID Workshop image, from Department of Horticulture and Crop Science, Ohio State University

More:

• Check PlantSystematics.org for additional images
• Images 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

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| USDA | ARS | GRIN | NPGS | New Search |

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Cite as:
USDA, ARS, National Genetic Resources Program.
Germplasm Resources Information Network - (GRIN) [Online Database].
National Germplasm Resources Laboratory, Beltsville, Maryland.
URL: http://www.ars-grin.gov/cgi-bin/npgs/html/taxon.pl?103827 (09 February 2010)

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