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Compilation
Sonchus uliginosus

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Filed as Sonchus uliginosus M.Bieb. [family ASTERACEAE]

Type of Sonchus asper (L.) Hill subsp. nymanii (Tin. et Guss.) Hegi [family COMPOSITAE]

Sonchus uliginosus M. Bieb. [family ASTERACEAE]

Type? of Sonchus uliginosus M. Bieberstein [family ASTERACEAE]

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Name

Identification

Sonchus uliginosus M. Bieberstein [family ASTERACEAE ] (stored under name); Verified by M. Bieb., 1808

Flora

Entry for Sonchus arvensis Linnaeus subsp. uliginosus (M. Bieberstein) Nyman [family COMPOSITAE]

Flora of North America (FNA)

Flora of North America

Reference Sources

Flora of North America, Vol 19,

Sonchus arvensis Linnaeus subsp. uliginosus (M. Bieberstein) Nyman [family COMPOSITAE], Consp. Fl. Eur., 433. 1879

Sonchus uliginosus M. Bieberstein [family COMPOSITAE], Fl. Taur.-Caucas., 2: 238. 1808

Sonchus arvensis var. glabrescens Günther, Grabowski & Wimmer [family COMPOSITAE]

Treatment Author(s)

Philip E. Hyatt

Peduncles sessile-glandular. Phyllaries usually sessile-gland-ular, rarely tomentose, the longer 10–15 mm. 2n = 36.

jul-aug (summer), sep (fall)

Europewidely introduced elsewhere.USA Calif.USA Colo.USA Conn.USA Del.USA IdahoUSA Ill.USA Ind.USA IowaUSA Kans.USA MaineUSA Md.USA Mass.USA Mich.USA Minn.USA Miss.USA Mont.USA Nebr.USA Nev.USA N.J.USA N.Y.USA N.C.USA N.Dak.USA OhioUSA Oreg.USA Pa.USA S.Dak.USA Tenn.USA UtahUSA Vt.USA Va.USA Wash.USA W.Va.USA Wis.USA Wyo.Canada Alta.Canada B.C.Canada Man.Canada N.B.Canada N.S.Canada Ont.Canada P.E.I.Canada Que.Canada Sask.Canada Yukon

Subspecies uliginosus is considered a noxious weed in Alaska, Idaho, Illinois, Iowa, Maryland, Minnesota, North Carolina, North Dakota, South Dakota, and Wyoming.

Native/Introduced