Lactuca canadensis L.
Distribution
Native to:
Alabama, Arizona, Arkansas, British Columbia, California, Colorado, Connecticut, Delaware, District of Columbia, Dominican Republic, Florida, Georgia, Haiti, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Manitoba, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Brunswick, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Nova Scotia, Ohio, Oklahoma, Ontario, Oregon, Pennsylvania, Prince Edward I., Québec, Rhode I., South Carolina, South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming, Yukon
Synonyms
Homotypic Synonyms
- Mulgedium canadensis (L.) Farw. in Asa Gray Bull. 3: 22 (1895)
Heterotypic Synonyms
- Cicerbita canadensis Wallr. in Sched. Crit.: 434 (1822)
- Cicerbita elongata Wallr. in Sched. Crit.: 434 (1822)
- Galathenium elongatum Nutt. in Trans. Amer. Philos. Soc., n.s., 7: 443 (1841)
- Galathenium integrifolium Nutt. in Trans. Amer. Philos. Soc., n.s., 7: 443 (1841)
- Galathenium salicifolium Nutt. in Trans. Amer. Philos. Soc., n.s., 7: 443 (1841)
- Lactuca canadensis var. albocaerulea Farw. in Rep. (Annual) Michigan Acad. Sci. 19: 250 (1917)
- Lactuca canadensis f. albocaerulea (Farw.) Farw. in Pap. Michigan Acad. Sci. 2: 45 (1923)
- Lactuca canadensis f. angustata Wiegand in Rhodora 22: 11 (1920)
- Lactuca canadensis var. angustifolia Kuntze in Revis. Gen. Pl. 1: 349 (1891)
- Lactuca canadensis f. angustipes Wiegand in Rhodora 22: 10 (1920)
- Lactuca canadensis f. angustipes Farw. in Pap. Michigan Acad. Sci. 3: 108 (1924), nom. illeg.
- Lactuca canadensis var. elongata Farw. in Pap. Michigan Acad. Sci. 2: 46 (1923)
- Lactuca canadensis f. exauriculata Wiegand in Rhodora 22: 11 (1920)
- Lactuca canadensis var. laciniata Farw. in Pap. Michigan Acad. Sci. 2: 45 (1923)
- Lactuca canadensis var. latifolia Kuntze in Revis. Gen. Pl. 1: 349 (1891)
- Lactuca canadensis var. longifolia Farw. in Pap. Michigan Acad. Sci. 2: 45 (1923)
- Lactuca canadensis var. montana Britton in N.L.Britton & A.Brown, Ill. Fl. N. U.S. 3: 274 (1898)
- Lactuca canadensis var. obovata Wiegand in Rhodora 22: 11 (1920)
- Lactuca canadensis f. pallida Farw. in Pap. Michigan Acad. Sci. 3: 109 (1924)
- Lactuca canadensis var. spinulosa Jenn. in Ann. Carnegie Mus. 13: 444 (1922)
- Lactuca canadensis f. spinulosa (Jenn.) F.Seym. in Fl. New England, ed. 2: 574 (1982)
- Lactuca canadensis f. steelei (Britton) Fernald in Rhodora 40: 481 (1938)
- Lactuca canadensis f. stenopoda Wiegand in Rhodora 22: 11 (1920)
- Lactuca canadensis var. typica Wiegand in Rhodora 22: 10 (1920), not validly publ.
- Lactuca canadensis f. villicaulis Fernald in Rhodora 41: 574 (1939)
- Lactuca caroliniana Walter in Fl. Carol.: 193 (1788)
- Lactuca elongata Mulh. ex Willd. in Sp. Pl., ed. 4. 3: 1525 (1803)
- Lactuca elongata var. longifolia (Michx.) Torr. & A.Gray in Fl. N. Amer. 2: 496 (1843)
- Lactuca longifolia Michx. in Fl. Bor.-Amer. 2: 85 (1803)
- Lactuca procera Schrad. ex DC. in Prodr. 7: 137 (1838)
- Lactuca sagittifolia Elliott in Sketch Bot. S. Carolina 2: 253 (1823)
- Lactuca steelei Britton in Man. Fl. N. States: 899 (1901)
- Lactuca villosa Muhl. ex Torr. & A.Gray in Fl. N. Amer. 2: 497 (1843)
- Mulgedium integrifolium Cass. in G.-F.Cuvier, Dict. Sci. Nat., ed. 2. 33: 298 (1824)
- Sonchus pallidus Willd. in Sp. Pl., ed. 4. 3: 1521 (1803)
- Wiestia canadensis Sch.Bip. in Jahrb. Pract. Pharm. Verwandte Fächer 4: 154 (1841)
- Wiestia elongata Sch.Bip. in Jahrb. Pract. Pharm. Verwandte Fächer 4: 154 (1841)
Publications
POWO follows these authorities in accepting this name:
- Knapp, W.M. & Naczi, R.F.C. (2021). Vascular plants of Maryland, USA. A comprehensive account of the state's botanical diversity. Smithsonian Contributions to Botany 113: 1-151.
- Liogier, A.H. (1996). Flora de la Española 8: 1-588. Instituto Tecnológico de Santo Domingo.
- Roskov Y. & al. (eds.) (2018). Species 2000 & ITIS Catalogue of Life Naturalis, Leiden, the Netherlands.
Other Data
Other Kew resources that provide information on this taxon:
Sources
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Kew Backbone Distributions
- The International Plant Names Index and World Checklist of Vascular Plants 2023. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
- © Copyright 2022 World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0
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Kew Names and Taxonomic Backbone
- The International Plant Names Index and World Checklist of Vascular Plants 2023. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
- © Copyright 2022 International Plant Names Index and World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0