Densely tufted, glaucous perennial 2–6 dm; lvs rough, erect, mostly crowded near the base; sheaths often purplish; infl silvery, 5–12 cm, dense, with short rough branches; glumes 2.8–3.6 mm; 2n=14. Native of Europe; intr. in dry sterile soil along the coast from Mass. to N.H. and Pa.; rarely inland, as in Mich.
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