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Taxon: Lactuca canadensis L.

 
Genus: Lactuca
Family: Asteraceae (alt.Compositae)
Subfamily: Cichorioideae
Tribe: Cichorieae
Subtribe: Lactucinae
Nomen number: 21329
Place of publication: Sp. pl. 2:796. 1753
Link to protologue:
Typification: View in Linnean Typification Project
Name Verified on: 23-Feb-2009 by ARS Systematic Botanists.
Accessions: 11 (10 active, 0 available) in National Plant Germplasm System (Map)

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

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

Common names:

  • Canada lettuce  (Source: Names Beetle) - English
  • Canada wild lettuce  (Source: AH 505) - English
  • tall lettuce  (Source: Glea Cron ed2) - English
  • wild lettuce  (Source: F SE US) - English
  • Canada lettuce   - English (Canada)
  • laitue du Canada   - French (Canada)

Economic Importance:

  • Weed: potential seed contaminant (found in waste places)

Distributional Range:

    Native

    Northern America
    • SUBARCTIC AMERICA: Canada [Yukon]
    • EASTERN CANADA: Canada [Québec, Nova Scotia, Ontario, Prince Edward Island, New Brunswick]
    • WESTERN CANADA: Canada [Manitoba (e.), British Columbia]
    • NORTHEASTERN U.S.A.: United States [Connecticut, Indiana, Maine, Massachusetts, Michigan, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, Vermont, 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, Idaho, Montana, Oregon, Washington, Wyoming]
    • SOUTHEASTERN U.S.A.: United States [Alabama, Arkansas, Delaware, Florida, Georgia, Kentucky, Louisiana, Maryland, Mississippi, North Carolina, South Carolina, Tennessee, Virginia, District of Columbia]
    • SOUTH-CENTRAL U.S.A.: United States [New Mexico, Texas (e.)]
    • SOUTHWESTERN U.S.A.: United States [Arizona, California, Nevada, Utah]


    Naturalized (widely natzd.)

    Other (exact native range obscure)

References:

  1. Beetle, A. A. 1970. Recommended plant names. Univ. Wyoming Agr. Exp. Sta. Res. J. 31
  2. Browne, E. T. & R. Athey. 1992. Vascular plants of Kentucky: an annotated checklist
  3. Correll, D. S. & M. C. Johnston. 1970. Manual of the vascular plants of Texas
  4. Cronquist, A. et al. 1972-. Intermountain flora.
  5. Darbyshire, S. J. 2003. Inventory of Canadian Agricultural Weeds Agriculture and Agri-Food Canada. 280-281.
  6. FNA Editorial Committee. 1993-. Flora of North America.
  7. Gleason, H. A. & A. Cronquist. 1963. Manual of vascular plants of northeastern United States and adjacent Canada.
  8. Gleason, H. A. & A. Cronquist. 1991. Manual of vascular plants of northeastern United States and adjacent Canada, ed. 2
  9. Hickman, J. C., ed. 1993. The Jepson manual: higher plants of California
  10. Hitchcock, C. L. et al. 1955-1969. Vascular plants of the Pacific Northwest.
  11. Holm, L. et al. 1979. A geographical atlas of world weeds
  12. Kartesz, J. T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. Note: with four varieties
  13. Lebeda, A. et al. 2004. Geographical distribution of wild Lactuca species (Asteraceae, Lactuceae). Bot. Rev. (Lancaster) 70:328-356
  14. Magee, D. W. & H. E. Ahles. 1999. Flora of the Northeast. A manual of the vascular flora of New England and adjacent New York.
  15. Martin, W. C. & C. R. Hutchins. 1980. A flora of New Mexico.
  16. McGregor, R. L. et al. (The Great Plains Flora Association). 1977. Atlas of the Flora of the Great Plains.
  17. McGregor, R. L. et al. (The Great Plains Flora Association). 1986. Flora of the Great Plains.
  18. Munz, P. A. & D. D. Keck. 1959. A California flora.
  19. Porcher, M. H. et al. Searchable World Wide Web Multilingual Multiscript Plant Name Database (MMPND) (on-line resource).
  20. Radford, A. E. et al., eds. 1980-. Vascular flora of the southeastern United States.
  21. Radford, A. E. et al. 1964. Manual of the vascular flora of the Carolinas.
  22. Scoggan, H. J. 1978-1979. The flora of Canada, 4 vol.
  23. Steyermark, J. A. 1977. Flora of Missouri.
  24. Terrell, E. E. et al. 1986. Agricultural Handbook no. 505
  25. Welsh, S. L. et al. 1993. A Utah flora.
  26. Wofford, B. E. & R. Kral. 1993. Checklist of the vascular plants of Tennessee
  27. Wunderlin, R. P. 1998. Guide to the vascular plants of Florida

Check other web resources for Lactuca canadensis L. :

  • 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.

Images:

  • Fruits: U.S. National Seed Herbarium image
  • Fruits: U.S. National Seed Herbarium image

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?21329. Accessed 17 February 2020.