Sonchus arvensis subsp. arvensis
Treatment appears in FNA Volume 19. Treatment on page 274.
Revision as of 19:18, 16 December 2019 by FNA>Volume Importer
Peduncles stipitate-glandular. Phyllaries stipitate-glandular, longer 14–17 mm. 2n = 54.
Phenology: Flowering Jul–Sep.
Habitat: Disturbed sites, mostly wet, particularly in urban areas, roadside ditches, along streams
Elevation: 0–1600. m
Distribution
St. Pierre and Miquelon, Alta., B.C., Man., N.B., Nfld. and Labr. (Nfld.), N.W.T., N.S., Ont., P.E.I., Que., Sask., Alaska, Calif., Colo., Conn., Del., Idaho, Ill., Ind., Iowa, Ky., Maine, Md., Mass., Mich., Minn., Mo., Mont., Nev., N.H., N.J., N.Y., N.Dak., Ohio, Oreg., Pa., R.I., S.Dak., Utah, Vt., Wash., Wis., Wyo., Europe, widely introduced elsewhere.
Discussion
Subspecies arvensis is considered a noxious weed in California, Idaho, Illinois, Iowa, Maryland, Minnesota, Nevada, North Dakota, South Dakota, and Wyoming.
Selected References
None.
Lower Taxa
None.
... more about "Sonchus arvensis subsp. arvensis"
St. Pierre and Miquelon +, Alta. +, B.C. +, Man. +, N.B. +, Nfld. and Labr. (Nfld.) +, N.W.T. +, N.S. +, Ont. +, P.E.I. +, Que. +, Sask. +, Alaska +, Calif. +, Colo. +, Conn. +, Del. +, Idaho +, Ill. +, Ind. +, Iowa +, Ky. +, Maine +, Md. +, Mass. +, Mich. +, Minn. +, Mo. +, Mont. +, Nev. +, N.H. +, N.J. +, N.Y. +, N.Dak. +, Ohio +, Oreg. +, Pa. +, R.I. +, S.Dak. +, Utah +, Vt. +, Wash. +, Wis. +, Wyo. +, Europe + and widely introduced elsewhere. +
true +
Sp. Pl. +
1753 +
Introduced +
Sonchus arvensis subsp. arvensis +
Sonchus arvensis +
subspecies +