Cyperus engelmannii Steudel. Phen: Jul-Oct. Hab: Alluvial and other damp to wet soils. Dist: North-central and northeastern North America, MA west to s. ON, MN and NE, south to se. NC and MO.
Origin/Endemic status: Native
Syn: = F, G, GrPl, GW1, Il, Mi, NY, Pa, RAB, S, Tucker & Gandhi (2019); = Cyperus odoratus var. engelmannii – Va; < Cyperus odoratus – Ar, C, ETx1, FNA23, Il, K1, K3, K4, Mo1, NcTx, NE, W, WH3