Plant Details

Accepted name:: Lactuca canadensis L. [Asteraceae]
Source:: World Checklist ( Medium Taxonomic Confidence )
More about this plant:: Plants of the World Online

Non-scientific name:	Class of name:	Medicinal source:
canada lettuce	Other	Native American Ethnobot.(Moerman, 1998) U.S. FDA Substance Registration System (2016)
canada wild lettuce	Other	U.S. FDA Substance Registration System (2016)

Part(s) of plant used:	Drug form:	Medicinal source:

Kew's taxonomic resources include 38 scientific synonym(s) for this plant:

Cicerbita canadensis Wallr. Sched. Crit.: 434 (1822).
Cicerbita elongata Wallr. Sched. Crit.: 434 (1822).
Galathenium elongatum Nutt. Trans. Amer. Philos. Soc., n.s., 7: 443 (1841).
Galathenium integrifolium Nutt. Trans. Amer. Philos. Soc., n.s., 7: 443 (1841).
Galathenium salicifolium Nutt. Trans. Amer. Philos. Soc., n.s., 7: 443 (1841).
Lactuca canadensis f. albocaerulea (Farw.) Farw. Pap. Michigan Acad. Sci. 2: 45 (1923).
Lactuca canadensis var. albocaerulea Farw. Rep. (Annual) Michigan Acad. Sci. 19: 250 (1917).
Lactuca canadensis f. angustata Wiegand Rhodora 22: 11 (1920).
Lactuca canadensis var. angustifolia Kuntze Revis. Gen. Pl. 1: 349 (1891).
Lactuca canadensis f. angustipes Wiegand Rhodora 22: 10 (1920).
Lactuca canadensis f. angustipes Farw. Pap. Michigan Acad. Sci. 3: 108 (1924), nom. illeg.
Lactuca canadensis var. elongata Farw. Pap. Michigan Acad. Sci. 2: 46 (1923).
Lactuca canadensis f. exauriculata Wiegand Rhodora 22: 11 (1920).
Lactuca canadensis var. laciniata Farw. Pap. Michigan Acad. Sci. 2: 45 (1923).
Lactuca canadensis var. latifolia Kuntze Revis. Gen. Pl. 1: 349 (1891).
Lactuca canadensis var. longifolia Farw. 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 Rhodora 22: 11 (1920).
Lactuca canadensis f. pallida Farw. Pap. Michigan Acad. Sci. 3: 109 (1924).
Lactuca canadensis var. spinulosa Jenn. Ann. Carnegie Mus. 13: 444 (1922).
Lactuca canadensis f. spinulosa (Jenn.) F.Seym. Fl. New England, ed. 2: 574 (1982).
Lactuca canadensis f. steelei (Britton) Fernald Rhodora 40: 481 (1938).
Lactuca canadensis f. stenopoda Wiegand Rhodora 22: 11 (1920).
Lactuca canadensis var. typica Wiegand Rhodora 22: 10 (1920), not validly publ.
Lactuca canadensis f. villicaulis Fernald Rhodora 41: 574 (1939).
Lactuca caroliniana Walter Fl. Carol.: 193 (1788).
Lactuca elongata Mulh. ex Willd. Sp. Pl., ed. 4. 3: 1525 (1803).
Lactuca elongata var. longifolia (Michx.) Torr. & A.Gray Fl. N. Amer. 2: 496 (1843).
Lactuca longifolia Michx. Fl. Bor.-Amer. 2: 85 (1803).
Lactuca procera Schrad. ex DC. Prodr. 7: 137 (1838).
Lactuca sagittifolia Elliott Sketch Bot. S. Carolina 2: 253 (1823).
Lactuca steelei Britton Man. Fl. N. States: 899 (1901).
Lactuca villosa Muhl. ex Torr. & A.Gray Fl. N. Amer. 2: 497 (1843).
Mulgedium canadensis (L.) Farw. Asa Gray Bull. 3: 22 (1895).
Mulgedium integrifolium Cass. in G.-F.Cuvier, Dict. Sci. Nat., ed. 2. 33: 298 (1824).
Sonchus pallidus Willd. Sp. Pl., ed. 4. 3: 1521 (1803).
Wiestia canadensis Sch.Bip. Jahrb. Pract. Pharm. Verwandte Fächer 4: 154 (1841).
Wiestia elongata Sch.Bip. Jahrb. Pract. Pharm. Verwandte Fächer 4: 154 (1841).

This plant is cited in medicinal sources using the following names:

Name as published:	Medicinal source:
Lactuca canadensis L.	Native American Ethnobot.(Moerman, 1998) Pl. Med. Totius Mundi (Penso & Proserpio, 1997) U.S. FDA Substance Registration System (2016) World Checklist of Useful Pl. Spp. (Diazgranados et al., 2020)

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