Cyperus haspan is a dwarf papyrus sedge from Mexico, has mop heads of flowers in Summer. Not frost hardy in the UK and therefore should be removed from ponds and kept in a frost free greenhouse.
Cyperus haspan L.
Distribution
Pine savannas.
Notes
Jul–Sep . Not seen in Shaken Creek Preserve (in perintent habitats) by the senior author. Specimens seen in the vicinity: Sandy Run [ Haw’s Run]: Taggart SARU 659 (WNC!); Sandy Run [Neck]: Wilbur 53635 (DUKE!). [= RAB, FNA, Weakley]