Sonchus arvensis subsp. uliginosus
Consp. Fl. Eur., 433. 1879.
Introduced
Basionym: Sonchus uliginosus M. Bieberstein Fl. Taur.-Caucas. 2: 238. 1808
Synonyms: Sonchus arvensis var. glabrescens Günther, Grabowski & Wimmer
Peduncles sessile-glandular. Phyllaries usually sessile-glandular, rarely tomentose, the longer 10–15 mm. 2n = 36.
Phenology: Flowering Jul–Sep.
Habitat: Mostly wet, disturbed sites, oil-seed or irrigated crops, roadside ditches, along streams, wetlands
Elevation: 0–2200 m
Distribution
Introduced; Alta., B.C., Man., N.B., N.S., Ont., P.E.I., Que., Sask., Yukon, Calif., Colo., Conn., Del., Idaho, Ill., Ind., Iowa, Kans., Maine, Md., Mass., Mich., Minn., Miss., Mont., Nebr., Nev., N.J., N.Y., N.C., N.Dak., Ohio, Oreg., Pa., S.Dak., Tenn., Utah, Vt., Va., Wash., W.Va., Wis., Wyo., Europe, widely introduced elsewhere.
Discussion
Subspecies uliginosus is considered a noxious weed in Alaska, Idaho, Illinois, Iowa, Maryland, Minnesota, North Carolina, North Dakota, South Dakota, and Wyoming.
Selected References
None.
Lower Taxa
None.
... more about "Sonchus arvensis subsp. uliginosus"
Alta. +, B.C. +, Man. +, N.B. +, N.S. +, Ont. +, P.E.I. +, Que. +, Sask. +, Yukon +, Calif. +, Colo. +, Conn. +, Del. +, Idaho +, Ill. +, Ind. +, Iowa +, Kans. +, Maine +, Md. +, Mass. +, Mich. +, Minn. +, Miss. +, Mont. +, Nebr. +, Nev. +, N.J. +, N.Y. +, N.C. +, N.Dak. +, Ohio +, Oreg. +, Pa. +, S.Dak. +, Tenn. +, Utah +, Vt. +, Va. +, Wash. +, W.Va. +, Wis. +, Wyo. +, Europe + and widely introduced elsewhere. +
Mostly wet, disturbed sites, oil-seed or irrigated crops, roadside ditches, along streams, wetlands +
true +
Consp. Fl. Eur., +
1879 +
Introduced +
Sonchus arvensis subsp. uliginosus +
Sonchus arvensis +
subspecies +