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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 iria L.

Reference
Sp.Pl. [Linnaeus] 1:45 (1753)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Tufted annual, grass-like or herb (sedge), 0.05-0.7 m high, fruiting axis not winged; glumes 1.3-1.7 mm long, emarginate; stamens (2-)3. Fl. green-yellow/brown, Feb to Aug. Brown or red sand, red loam, alluvium. In claypans, along drainage lines and watercourses.

Helen Coleman, Descriptive Catalogue, 14 December 1998
Image

Distribution

IBRA Regions
Carnarvon, Central Kimberley, Central Ranges, Dampierland, Darwin Coastal, Gascoyne, Gibson Desert, Great Sandy Desert, Great Victoria Desert, Little Sandy Desert, Murchison, Northern Kimberley, Ord Victoria Plain, Pilbara, Tanami, Victoria Bonaparte.
IBRA Subregions
Ashburton, Augustus, Berkeley, Cape Range, Carnegie, Central, Chichester, Eastern Murchison, Fortescue, Hamersley, Hart, Keep, Lateritic Plain, Mackay, Mann-Musgrave Block, McLarty, Mitchell, Mount Eliza, Pindanland, Purnululu, Roebourne, Rudall, South Kimberley Interzone, Trainor, Western Murchison.
Local Government Areas (LGAs)
Ashburton, Broome, Carnarvon, Cue, Derby-West Kimberley, East Pilbara, Exmouth, Halls Creek, Karratha, Laverton, Leonora, Meekatharra, Mount Magnet, Murchison, Ngaanyatjarraku, Port Hedland, Sandstone, Upper Gascoyne, Wiluna, Wyndham-East Kimberley.