| Taxon | Collector | Location | Type Status | Barcode | |
|---|---|---|---|---|---|
| Cyperus hallii Britton | E. Hall 685 30 Jun 1872 | United States of America. Texas. Dallas Co. Dallas. Eastern Texas. Low Prairies. | type | 11669 |  |
| Cyperus hallii Britton | U. T. Waterfall 8380 | United States of America. Oklahoma. Jefferson Co. 5 miles W. of Waurika. | 02814688 |  |