сребреника

Corynephorus canescens (L.) Beauv. Agrost. 90, 149, 159. 1812
Aira canescens L. Sp. PI. 65. 1753.
Avena canescens Weber, in Wiggers, Prim. Fl. Holsat. 9. 1780. (Based on Aira canescens L.)
Weingaerlneria canescens Bemh. Syst. Verz. Pfl. 23, 51. 1800. (Based on Aira canescens L.)
Culms much branched at the base, tufted, erect, glabrous, 15-30 cm. tall; sheaths roughish, usually purple; ligule obtuse, 2-3 mm. long; blades filiform, involute, scabrous, mostly basal, rather stiff; panicle erect, spikelike or somewhat open, 3-8 cm. long, the axis roughish, the branches appressed; spikelets 2-flowered; glumes nearly equal, about 3 mm. long, pinkish, acute, minutely scabrous; lemmas somewhat pilose at base; awn about as long as the glumes, brown and tightly twisted below, white above, the summit somewhat thickened.
Tyte locality: Europe.
Distribution; Sandy open ground and waste places, introduced at a few places in the eastern United States; native of Europe.