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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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Cyperus rigidellus (Benth.) J.M.Black

Reference
Fl.S.Austral. 676 (1929)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Tufted, short-lived perennial or annual, grass-like or herb (sedge), (0.01-)0.05-0.4 m high, fruiting axis narrowly to broadly winged; glumes 2-4 mm long, mucronate; stamens 3. Fl. brown-red, Apr to Nov. Clayey sand, red clay-loam. Along watercourses, on floodplains, in claypans and other damp habitats.

Helen Coleman, Descriptive Catalogue, 14 December 1998
Image

Distribution

IBRA Regions
Avon Wheatbelt, Carnarvon, Central Ranges, Coolgardie, Gascoyne, Geraldton Sandplains, Great Sandy Desert, Little Sandy Desert, Murchison, Nullarbor, Ord Victoria Plain, Pilbara, Yalgoo.
IBRA Subregions
Ashburton, Augustus, Cape Range, Carlisle, Carnegie, Chichester, Eastern Goldfield, Eastern Murchison, Fortescue, Geraldton Hills, Hamersley, Mackay, Mann-Musgrave Block, Merredin, Tallering, Trainor, Western Murchison, Wooramel.
Local Government Areas (LGAs)
Ashburton, Carnarvon, Cue, East Pilbara, Greater Geraldton, Kalgoorlie-Boulder, Meekatharra, Menzies, Morawa, Mount Magnet, Murchison, Ngaanyatjarraku, Perenjori, Sandstone, Shark Bay, Upper Gascoyne, Wiluna, Yalgoo.