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Cyperus houghtonii Torrey. Houghton's Flatsedge. Phen: Jun-Sep. Hab: Dry upland sites, shale barrens, rock outcrops, perhaps associated with mafic or calcareous rocks. Dist: MA, VT, and QC west to MN, south to w. VA, WV, nc. NC, and nw. IN.

Origin/Endemic status: Native

Synonymy: = C, F, FNA23, G, Il, K1, K3, K4, Mi, NE, NY, Pa, RAB, Va, W

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Heliophily: 9

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image of plant© Radford, Ahles and Bell | Original Image ⭷


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