NIMBLEWILL
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Muhlenbergia schreberi  J. F. Gmel.
Konza Prairie, Riley County, Kansas
Perennial
Height: 8-30 inches
Family: Poaceae - Grass Family
Flowering Period:   August, September
Also Called: Schreber's muhly, satin grass.
Culms: Initially erect, later sprawling, usually rooting at lower nodes, slender, weak, solid, flattened, glabrous, openly branched; flowering branches 4-12 inches tall.
Blades: Flat, 1 to 3.6 inches long, 1/12 to 1/6 inch wide, spreading or ascending, glabrous or minutely rough, usually sparsely hairy near collar, slightly narrowed towards base.
Sheaths: Shorter than internodes, keeled, flattened, glabrous or rough, sometimes pubescent on margins at collar.
Ligules: Membranous, very short, fringed.
Inflorescences: Panicles, very slender, linear in outline, mostly terminal, 2 to 8 inches long, 1/16 to 1/5 inch wide, lax, loosely-flowered; base stalked, exserted or included in base of leaf sheath.
Spikelets: Narrow, flattened, lanceolate to oblong-ovate, excluding awn 1/12 to 1/10 inch long; stalk 1/25 to 1/12 inch long, rough; glumes minute, easily overlooked, without veins, less than 1/4 as long as lemma; tip rounded to bluntly pointed, awnless; lemmas lanceolate to narrowly ovate, 1/12 to 1/6 inch long (excluding awn), membranous, 3-nerved, rough, tuft of short hairs at base; tip sharply pointed; awn 1/2 to 1/5 inch long.
Habitat: Moist woods and thickets, stream banks, roadsides, pastures, old fields; moist, disturbed shaded sites.
Distribution: East half of Kansas
Origin: Native
Comments: Forms tufts or colonies. Somewhat weedy, particularly in lawns and gardens. Named for German botanist Johann Daniel Christian von Schreber, 1739-1810.

Nimblewill
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Konza Prairie, Riley County, Kansas
Nimblewill
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Konza Prairie, Riley County, Kansas
Nimblewill leaves
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Konza Prairie, Riley County, Kansas
Nimblewill inflorescence
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Konza Prairie, Riley County, Kansas
Nimblewill ligule
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Konza Prairie, Riley County, Kansas
Nimblewill
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Konza Prairie, Riley County, Kansas
Nimblewill
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Konza Prairie, Riley County, Kansas