Grows in seasonal creeks, wet areas commonly with with Salix lasiolepis, Ambrosia sp., Quercus agrifolia and Populus. Prefers wet soil, clay or gravel. Thrives in a disturbed plant community, rhizomatous, stems triangular. Can make a 30 ft. X 30 ft. clump. This perennial is an invasive nativeweed.
Cyperus eragrostis tolerates clay, no drainage and seasonal flooding.
Foliage of Cyperus eragrostis is stressdeciduous.
Flower of Cyperus eragrostis has color yellow.
Communities for Cyperus eragrostis:Freshwater Marsh and Riparian (rivers & creeks).