|Photo by the Atlas of Florida Plants Database|
|Division:||Magnoliophyta - Flowering plants|
|Class:||Liliopsida - Moncots|
| Cyperus haspan|
|Natural range of Cyperus haspan from USDA NRCS Plants Database.|
Synonym: C. haspan var. americanus Bockler
C. haspan is a perennial graminoid of the Cyperaceae family that is native to North America. 
C. haspan is distributed across the southeastern region of the United States; from Florida north to Virginia and west to Texas. 
Cyperus haspan has been found to grow well in subtropical and tropical climates and being of the most productive plants in the regions wetlands. 
Habitats also include wet prairies, broadleaf marshes, and wetland shrubs. They are found to germinate well in flooded environments. 
Specimens have been collected in the following habitats; river banks, moist loamy sands, pine flatwood clearings, ponds, shallow water, hillside bogs. 
Cyperus haspan has a tolerance for low intensity fires.
Conservation and Management
Cultivation and restoration
Has been used in landfill restoration areas. 
References and notes
- USDA Plant Database
- Orzell, S. L. and E. L. Bridges (2006). "Floristic composition of the south-central Florida dry prairie landscape." Florida Ecosystem 1(3): 123-133.
- Weakley, A. S. (2015). Flora of the Southern and Mid-Atlantic States. Chapel Hill, NC, University of North Carolina Herbarium.
- Akinbile, C., et al. (2012). "Landfill leachate treatment using sub-surface flow constructed wetland by Cyperus haspan." Elsevier.
- Wetzel, P., et al. (2001). "Restoration of wetland vegetation on the Kissimmee River Floodplain: Potential role of seed banks." Wetlands 21(2): 189-198.
- URL: http://herbarium.bio.fsu.edu. Last accessed: June 2018. Collectors: Sydney Thompson, Culver Gidden, Loran C. Anderson, T. MacClendon, K. MacClendon, R.K. Godfrey, D. B. Ward, D. Burch, R. Kral, States and counties: Florida (Wakulla, Calhoun, Charlotte, Columbia, Dade, Escambia)
- Nelson, G. PanFlora: Plant data for the eastern United States with emphasis on the Southeastern Coastal Plains, Florida, and the Florida Panhandle. www.gilnelson.com/PanFlora/ Accessed: 18 MAY 2018
- [Akinbile, C., et al. (2012). "Landfill leachate treatment using sub-surface flow constructed wetland by Cyperus haspan." Elsevier.]