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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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Triodia irritans R.Br.
Porcupine Grass

Reference
Prodr. 182-183 (1810)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Tussock-forming perennial, grass-like or herb, 0.3-1 m high, panicle partly exserted, lemma 2-lobed, partly hairy. Fl. Jan to Dec. Red/grey sand. Sandplains, rocky hillsides.

Helen Coleman, Descriptive Catalogue, 30 April 1998

Distribution

IBRA Regions
Central Ranges, Coolgardie, Great Victoria Desert, Murchison.
IBRA Subregions
Eastern Murchison, Mann-Musgrave Block, Southern Cross.
Local Government Areas (LGAs)
Kalgoorlie-Boulder, Menzies, Ngaanyatjarraku.