| Currently Accepted Name: | Cyperus esculentus Species L. |
| Locality: | United States. Kentucky. Lewis: Manchester Island No.2, 115-acres, Ohio River, Mile 396, 1.3 mi E of Trinity Sta. and 0.2 mi W of Irwin, KY 8, or 1.7 mi E of Manchester, Ohio, Ohio Manchester Islands Quad. Elev. 495-510'. |
| Habitat: | Unconsolidated Shoreline [Platanus-Betula-Salix]; infrequent. Associates: Panicum virgatum, Chenopodium ambrosioides, Solanum carolinense, Digitaria sanguinalis, C. strigosus, Equisetum arvense. |
| Collector: | Rudy A. Gelis, R. L. Thompson, Richard Abbott, Andy Shupe M2-648 |