Aristida longespica var. geniculata (Raf.) Fernald
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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
Variety Description - Central awn (8–)12–27 mm, the lateral ones (1–)6–18 mm; spikelets avg a little larger. More common westward, seldom e. to Ind. and s. Ont. (A. intermedia; A. necopina)