Polygonum cespitosum Blume var. cespitosum
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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
Polygonaceae
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Scientific Name
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Description
Variety Description - With shorter bristles on the ocreae and ocreolae, may also be expected.