Cyperus bipartitus Torrey. Slender Flatsedge, Shining Flatsedge. Phen: Jul-Oct. Hab: Depression ponds, low fields, ditches, marshes, muddy river shores, along streams, especially in seasonally flooded situations. Dist: ME and QC west to MN and WA, south to FL (Wakulla County) (Kunzer et al. 2009), GA, LA, TX, NM, AZ, and CA.

Origin/Endemic status: Native

Synonymy: = Ar, C, ETx1, FNA23, GW1, Il, K1, K3, K4, Mi, Mo1, NE, NY, Pa, Tn, Va, W, WH3; ? Cyperus rivularis Kunth – F, G, GrPl, RAB, S, WV

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