| Currently Accepted Name: | Cyperus esculentus Species L. |
| Locality: | United States. Kentucky. Lewis: Manchester Island No. 1- 27 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. |
| Habitat: | Unconsolidated shoreline (Platanus-Betula-Salix). Associates: C. erythrorhizos- C. odoratus- C. strigosus- Panicum capillare- Paspalum fluitans- Digitaria sanguinalis- P. dichotomiflorum. Elev. 500-510'. |
| Collector: | Rudy A. Gelis M1-883
with Michelle Lee Gelis |