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Service Notice

The Western Australian Herbarium’s collections management system, WAHerb, and DBCA’s taxonomic names application, WACensus, have been set to read-only mode since 1 October 2025. Recent taxonomic changes are not reflected in Florabase, herbarium collections, or in the census. We are hoping to be able to reinstate services around December 15; we will provide an update at that time.

The notice period started at 9:00 am on Wednesday, 1 October 2025 +08:00 and will end at 12:00 pm on Monday, 15 December 2025 +08:00.

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Caustis gigas R.L.Barrett
Giant Twigrush

Reference
Nuytsia 26:34-35, Fig. 6 (2015)
Conservation Code
Priority Two
Naturalised Status
Native to Western Australia
Name Status
Current

Rhizomatous, robust perennial, grass-like or herb (sedge), to 2 m high. Fl. May. White or grey sand.

Grazyna Paczkowska, Descriptive Catalogue, 8 August 1994

Distribution

IBRA Regions
Geraldton Sandplains, Swan Coastal Plain.
IBRA Subregions
Dandaragan Plateau, Lesueur Sandplain.
Local Government Areas (LGAs)
Chittering, Coorow.