Muhlenbergia asperifolia (Trin.) Parodi
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Authority
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
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Family
Poaceae
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Scientific Name
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Description
Species Description - Rhizomatous; culms tufted, glaucous, 1–5 dm, spreading or decumbent at base, rarely erect; sheaths glabrous, usually overlapping and keeled; ligule truncate, erose, 0.2–1 mm; main blades 3–7 cm × 1–2.5 mm, abruptly expanded above the collar, scabrous, especially on the cartilaginous margin; base of the panicle at first enclosed in the sheath, later exserted and the branches widely spreading, the infl open, diffuse, about as thick as long; spikelets often purple or blackish, sometimes 2-fld; glumes acute, subequal, 1–1.4 mm; lemma obtuse or subacute, 1.2–1.7 mm, awnless; 2n=20. Moist soil and streambanks, often in alkaline situations, sometimes a lawn-weed; widespread in w. U.S., e. to Minn., Io., and Mo., and intr. as far as Mich., O., s. Ont., and e. N.Y.; s. S. Amer. (Sporobolus a.)
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Common Names
scratchgrass, alkali muhly