| Currently Accepted Name: | Cyperus esculentus Species L. |
| Locality: | United States. Kentucky. Lewis: Brush Creek Island, 17-acres, Ohio River, Mile 388, 2.0 mi E of Concord and 0.2 mi W of Chalkley Sta., KY 8, or 9.7 mi E of Manchester, Ohio, at Brush Creek, Concord Quad. Elev. 500-510'. |
| Habitat: | Unconsolidated Shoreline [Platanus-Betula-Salix]; infrequent. Associates: Cyperus strigosus, Amaranthus spinosus, Panicum dichotomiflorum, Chenopodium ambrosioides, Cyperus odoratus. |
| Collector: | Rudy A. Gelis, Michelle Lee Gelis, Paul Hager, R.L. Thompson. BC-1008 |