Sporobolus compositus var. compositus

Synonyms: Sporobolus asper var. hookeri Sporobolus undefined var. asper
Treatment appears in FNA Volume 25. Treatment on page 122.

Plants not rhizomatous. Culms stout, 2-5 mm thick. Uppermost sheaths usually 2.6-6 mm wide. Panicles with 30-90 spikelets per cm2 when pressed. Fruits 1-1.8 mm.

Distribution

Ariz., Oreg., Wash., Del., Wis., W.Va., Minn., N.Dak., Nebr., Okla., S.Dak., Wyo., N.J., B.C., Man., N.B., Ont., Que., Conn., Mass., R.I., La., Tenn., N.Y., Pa., Ill., Ind., Ky., Md., Mich., N.C., Ohio, Utah, Vt., Va., Colo., Ala., Ark., Iowa, Idaho, N.Mex., Maine, Tex., Kans., Mont., Mo., Miss.

Discussion

Sporobolus compositus var. compositus is the most widespread of the three varieties, being found through¬out most of the range shown for the species, but not in South Carolina or Florida.

Selected References

None.

Lower Taxa

None.
Paul M. Peterson +, Stephan L. Hatch +  and Alan S. Weakley +
(Poir.) Merr. +
Ariz. +, Oreg. +, Wash. +, Del. +, Wis. +, W.Va. +, Minn. +, N.Dak. +, Nebr. +, Okla. +, S.Dak. +, Wyo. +, N.J. +, B.C. +, Man. +, N.B. +, Ont. +, Que. +, Conn. +, Mass. +, R.I. +, La. +, Tenn. +, N.Y. +, Pa. +, Ill. +, Ind. +, Ky. +, Md. +, Mich. +, N.C. +, Ohio +, Utah +, Vt. +, Va. +, Colo. +, Ala. +, Ark. +, Iowa +, Idaho +, N.Mex. +, Maine +, Tex. +, Kans. +, Mont. +, Mo. +  and Miss. +
Sporobolus asper var. hookeri +  and Sporobolus undefined var. asper +
Sporobolus compositus var. compositus +
Sporobolus compositus +
variety +