Flora of the Southeastern United States
2022 Edition


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Cyperus diandrus Torrey. Umbrella Flatsedge. Phen: Jul-Oct. Hab: Interdune swales, ponds, exposed river and lake shores, usually where seasonally ponded. Dist: ME west to ND, south to VA, c. TN, n. AL, IL, MO, and IA.

Origin/Endemic status: Native

Syn: = C, F, FNA23, G, GrPl, GW1, Il, K1, K3, K4, Mi, Mo1, NY, Pa, S, Tn, Va, W

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image of plant© Erik Danielson source