Free-floating perennial, herb. Fl. blue-purple, Jan to May. Freshwater lakes or watercourses.
Beard’s Provinces: Eremaean Province, Northern Province, South-West Province.
IBRA Regions: Dampierland, Jarrah Forest, Swan Coastal Plain, Yalgoo.
IBRA Subregions: Fitzroy Trough, Northern Jarrah Forest, Perth, Tallering.
Local Government Areas (LGAs): Derby-West Kimberley, Murray, Perenjori, Swan.
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