Rhizomatous, perennial, herb or (fern), 0.02-0.3 m high, aquatic or amphibious; leaflets 4; peduncle of sporocarp 1.5-10 times longer than sporocarp. Fl. Sep. Red sand or clay loam. In claypans, waterholes, rivers and swamps.
Beard’s Provinces: Eremaean Province, Northern Province, South-West Province.
IBRA Regions: Avon Wheatbelt, Carnarvon, Central Ranges, Coolgardie, Esperance Plains, Gascoyne, Geraldton Sandplains, Gibson Desert, Jarrah Forest, Little Sandy Desert, Mallee, Murchison, Northern Kimberley, Nullarbor, Pilbara, Swan Coastal Plain, Yalgoo.
IBRA Subregions: Augustus, Avon Wheatbelt P1, Avon Wheatbelt P2, Carnegie, Central band, Nullarbor Plain, Eastern Goldfield, Eastern Mallee, Eastern Murchison, Edel, Fitzgerald, Fortescue, Geraldton Hills, Hamersley, Lateritic Plain, Lesueur Sandplain, Mann-Musgrave Block, Mardabilla, Mitchell, Northern Jarrah Forest, Perth, Roebourne, Rudall, Southern Cross, Tallering, Trainor, Western Mallee, Western Murchison, Wooramel.
Local Government Areas (LGAs): Ashburton, Beverley, Broomehill-Tambellup, Capel, Carnarvon, Coolgardie, Coorow, Corrigin, Derby-West Kimberley, Dundas, East Pilbara, Esperance, Gnowangerup, Goomalling, Irwin, Jerramungup, Kondinin, Laverton, Leonora, Meekatharra, Menzies, Mingenew, Moora, Murchison, Ngaanyatjarraku, Northampton, Perenjori, Port Hedland, Ravensthorpe, Swan, Upper Gascoyne, Victoria Plains, Wiluna, Yalgoo, Yilgarn, York.
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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/