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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.

The notice period started at 9:45 am on Friday, 12 December 2025 +08:00 and will end at 12:00 pm on Wednesday, 1 July 2026 +08:00.

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Stylidium rigidulum Sond.
Flagon Triggerplant

Reference
Lehm., Pl.Preiss. [J.G.C.Lehmann] 1:389 (1845)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Rosetted perennial, herb, 0.065-0.3 m high, Leaves tufted, linear to narrowly oblanceolate, 1-6 cm long, 0.5-1.5 mm wide, apex mucronate, margin entire or hyaline and serrulate, glabrous or scabrous. Scape glabrous. Inflorescence paniculate. Fl. white/pink-orange, Sep to Nov. White or grey sand. Heath, Banksia woodland, Eucalypt shrubland.

Amanda Spooner, Descriptive Catalogue, 27 June 2006
Image

Distribution

IBRA Regions
Avon Wheatbelt, Geraldton Sandplains, Swan Coastal Plain.
IBRA Subregions
Dandaragan Plateau, Geraldton Hills, Katanning, Lesueur Sandplain, Merredin, Perth.
IMCRA Regions
Central West Coast.
Local Government Areas (LGAs)
Canning, Carnamah, Claremont, Coorow, Dandaragan, Gingin, Greater Geraldton, Irwin, Mingenew, Swan, Three Springs, Wanneroo, Wongan-Ballidu.