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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. Due to the rapidly approaching holiday season and associated agency and facility soft closures, along with the substantial work involved in data mapping, cleaning, and verification, the migration to the new collection management software is not expected to occur before 1 March 2026, when a further update will be provided. Please reach out to us if you have any questions or concerns.

The notice period started at 9:45 am on Friday, 12 December 2025 +08:00 and will end at 12:00 pm on Monday, 2 March 2026 +08:00.

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Lepidosperma effusum Benth.
Spreading Sword-sedge

Reference
Fl.Austral. 7:387-388 (1878)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Rhizomatous, tufted robust perennial, grass-like or herb (sedge), 2.5 m high, clumps to 2 m wide. Fl. brown/other, Apr or Jun or Sep to Nov. White sand, brown loam. Creek and river edges, swamps (occasionally tidal).

Grazyna Paczkowska, Descriptive Catalogue, 22 November 1993
Image

Distribution

IBRA Regions
Esperance Plains, Jarrah Forest, Swan Coastal Plain, Warren.
IBRA Subregions
Fitzgerald, Northern Jarrah Forest, Perth, Southern Jarrah Forest, Warren.
IMCRA Regions
WA South Coast.
Local Government Areas (LGAs)
Albany, Augusta Margaret River, Bridgetown-Greenbushes, Busselton, Capel, Denmark, Donnybrook-Balingup, Gnowangerup, Harvey, Kwinana, Manjimup, Mundaring, Nannup, Plantagenet, Serpentine-Jarrahdale, Waroona.