Taxon: Ambrosia grayi (A. Nelson) Shinners

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:

CO°, CO(as Franseria tomentosa)°, KS*°, KS(as Franseria tomentosa)*°.

ªAquatic.

*Terrestrial.

°In seed.

Link to noxious weed information from

Common names:

• bur ragweed   (Source: F GPlains ) – English
  
• woolly-leaf bur-sage   (Source: AH 505 ) – English
  
• ambrósia   (Source: D. Groth, p.c. 2005) – Portuguese (Brazil)
  
• artemisia   (Source: D. Groth, p.c. 2005) – Portuguese (Brazil)
  

Economic importance:

• Weed: also potential seed contaminant   (fide State Noxweed Seed)
  

More:

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)
  North-Central U.S.A.: United States - Kansas, Nebraska [s.], Oklahoma
  Northwestern U.S.A.: United States - Colorado [e.]
  South-Central U.S.A.: United States - Texas

References:

• Correll, D. S. & M. C. Johnston. 1970. Manual of the vascular plants of Texas. (F Tex)
• FNA Editorial Committee. 1993–. Flora of North America. (F NAmer)
• Groth, D. 2005. pers. comm. [re. Brazilian common names].
• Harrington, H. 1954. Manual of the plants of Colorado. (F Colo) [= Franseria discolor Nutt.].
• McGregor, R. L. et al. (The Great Plains Flora Association). 1986. Flora of the Great Plains. (F GPlains)
• McGregor, R. L. et al. 1976. Checklist of Kansas vascular plants. (L Kansas)
• Payne, W. W. 1964. A re-evaluation of the genus Ambrosia (Compositae). J. Arnold Arbor. 45:424.
• 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)
• Terrell, E. E. et al. 1986. Agric. Handb. no. 505. (AH 505)

More:

Search AGRICOLA article citation database for citations referencing Ambrosia grayi.

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

Synonyms:

• (=) Franseria tomentosa A. Gray
  
• (≡) Gaertneria grayi A. Nelson (basionym)
  

Check other databases for Ambrosia grayi (A. Nelson) Shinners:

• 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:

• 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?103823 (09 February 2010)

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