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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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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.