Cyperus bipartitus Torrey. 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