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Service Notice

The Western Australian Herbarium’s collections management system, WAHerb, and DBCA’s flora taxonomic names application, WACensus, have been set to read-only mode since 1 October 2025. Recent taxonomic changes are not currently being reflected in Florabase, herbarium collections, or the census. The project team is now conducting testing of the migrated data, and a further update will be provided by the end of the financial year (1 July). Please reach out to us if you have any questions or concerns.

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Isolepis oldfieldiana (S.T.Blake) K.L.Wilson

Reference
Telopea 2:168 (1981)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Tufted compact annual or perennial, grass-like or herb (sedge), 0.02-0.35 m high, spikelet 1, 3-4 mm diam; glumes with short, incurved mucro; style 2-branched; nut very compressed. Fl. green, Aug to Dec or Jan to Feb. Moist sand, loam, clay, sandy clay. Swamps, winter-wet depressions.

Helen Coleman, Descriptive Catalogue, 14 December 1998

Distribution

IBRA Regions
Esperance Plains, Geraldton Sandplains, Jarrah Forest, Swan Coastal Plain, Warren.
IBRA Subregions
Fitzgerald, Lesueur Sandplain, Perth, Southern Jarrah Forest, Warren.
Local Government Areas (LGAs)
Bridgetown-Greenbushes, Bunbury, Busselton, Canning, Capel, Cranbrook, Dandaragan, Gnowangerup, Gosnells, Kojonup, Manjimup, Murray, Serpentine-Jarrahdale, Swan, Wanneroo.