Tufted, colonial perennial, grass-like or herb (sedge), 1 m high. Fl. brown, Jul or Oct to Nov or Jan to Mar. Grey sandy clay, sand. Swamps.
Beard’s Provinces: South-West Province.
IBRA Regions: Avon Wheatbelt, Esperance Plains, Geraldton Sandplains, Jarrah Forest, Swan Coastal Plain, Warren.
IBRA Subregions: Avon Wheatbelt P1, Avon Wheatbelt P2, Fitzgerald, Lesueur Sandplain, Northern Jarrah Forest, Perth, Recherche, Southern Jarrah Forest, Warren.
IMCRA Regions: Leeuwin-Naturaliste, WA South Coast.
Local Government Areas (LGAs): Albany, Armadale, Augusta-Margaret River, Broomehill-Tambellup, Bruce Rock, Bunbury, Busselton, Cambridge, Canning, Cockburn, Collie, Coorow, Dandaragan, Denmark, Esperance, Gingin, Gosnells, Harvey, Jerramungup, Kalamunda, Mandurah, Manjimup, Melville, Mundaring, Murray, Nannup, Northam, Perth, Plantagenet, Ravensthorpe, Rockingham, Swan, Wandering, Wanneroo, Waroona, York.
Alternative Names. Cyperus.
General Biology. Growth form. Sedge. Life form. Perennial. Reproduction. Seed. Dispersal. Water.
Notes. Common weed in south western Australian wetlands.
Additional information. Origin. Southern Africa.
Suggested method of management and control. Try 1% glyphosate + Pulse®. Read the manufacturers' labels and material safety data sheets before using herbicides. For further information consult the Australian Pesticides and Veterinary Medicines Authority to determine the status of permits for your situation or state.
Legend: Y = Yes, regularly, O = Occasionally, U = Uncertain, referred by others but not confirmed.
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Western Australian Herbarium (1998–). FloraBase—the Western Australian Flora. Department of Biodiversity, Conservation and Attractions. https://florabase.dpaw.wa.gov.au/