| 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-Salix-Betula]; infrequent. Associates: Equisetum arvense, Amaranthus hybridus, Mollugo verticillata, Solanum carolinense, Eragrotis pectinacea. |