Setaria viridis var. viridis

Common names: Green foxtail
Introduced
Synonyms: Setaria viridis var. weinmannii
Treatment appears in FNA Volume 25. Treatment on page 556.

Culms 20-100 cm; nodes 6-7. Blades 4-12 mm wide. Panicles usually 3-8 cm, producing around 600-800 caryopses. 2n = 18.

Distribution

Wash., Del., Wis., W.Va., Conn., Mass., Maine, N.H., R.I., Vt., Fla., Wyo., N.J., N.Mex., Tex., La., Tenn., N.C., S.C., Pa., N.Y., Nev., Va., Colo., Ala., Ark., Ariz., D.C., Ga., Iowa, Idaho, Ind., Md., N.Dak., Nebr., Ohio, Okla., Oreg., S.Dak., Utah, Calif., Ill., Mont., Mo., Minn., Mich., Kans., Alta., B.C., Man., N.B., Nfld. and Labr. (Labr.), N.S., N.W.T., Ont., P.E.I., Que., Sask., Yukon, Miss., Ky.

Discussion

Setaria viridis var. viridis is an aggressive adventive weed throughout temperate North America. It is the most common annual representative of Setaria in the Flora region.

Selected References

None.

Lower Taxa

None.
James M. Rominger +
(L.) P. Beauv. +
Green foxtail +
Wash. +, Del. +, Wis. +, W.Va. +, Conn. +, Mass. +, Maine +, N.H. +, R.I. +, Vt. +, Fla. +, Wyo. +, N.J. +, N.Mex. +, Tex. +, La. +, Tenn. +, N.C. +, S.C. +, Pa. +, N.Y. +, Nev. +, Va. +, Colo. +, Ala. +, Ark. +, Ariz. +, D.C. +, Ga. +, Iowa +, Idaho +, Ind. +, Md. +, N.Dak. +, Nebr. +, Ohio +, Okla. +, Oreg. +, S.Dak. +, Utah +, Calif. +, Ill. +, Mont. +, Mo. +, Minn. +, Mich. +, Kans. +, Alta. +, B.C. +, Man. +, N.B. +, Nfld. and Labr. (Labr.) +, N.S. +, N.W.T. +, Ont. +, P.E.I. +, Que. +, Sask. +, Yukon +, Miss. +  and Ky. +
Introduced +
Setaria viridis var. weinmannii +
Setaria viridis var. viridis +
Setaria viridis +
variety +