Sonchus arvensis subsp. uliginosus

(M. Bieberstein) Nyman

Consp. Fl. Eur., 433. 1879.

Basionym: Sonchus uliginosus M. Bieberstein Fl. Taur.-Caucas. 2: 238. 1808
Synonyms: Sonchus arvensis var. glabrescens Günther, Grabowski & Wimmer
Treatment appears in FNA Volume 19. Treatment on page 274. Mentioned on page 275.
Revision as of 20:18, 16 December 2019 by FNA>Volume Importer

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

V19-378-distribution-map.gif

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.
Philip E. Hyatt +
(M. Bieberstein) Nyman +
Sonchus 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. +
0–2200. m +
Mostly wet, disturbed sites, oil-seed or irrigated crops, roadside ditches, along streams, wetlands +
Flowering Jul–Sep. +
Consp. Fl. Eur., +
Introduced +
Sonchus arvensis var. glabrescens +
Sonchus arvensis subsp. uliginosus +
Sonchus arvensis +
subspecies +