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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 alterniflorus R.Br.

Reference
Prodr. 216 (1810)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Shortly rhizomatous, tufted perennial, grass-like or herb (sedge), 0.3-2 m high. Fl. yellow-brown/green, Jun or Aug to Oct. Sand, red clay. Swamps, creeks.

Grazyna Paczkowska, Descriptive Catalogue, 3 November 1993

Distribution

IBRA Regions
Avon Wheatbelt, Carnarvon, Indian Tropical Islands, Jarrah Forest, Murchison, Yalgoo.
IBRA Subregions
Eastern Murchison, Merredin, Northern Jarrah Forest, Southern Jarrah Forest, Tallering, Western Murchison, Wooramel.
Local Government Areas (LGAs)
Carnarvon, Christmas Island, Collie, Greater Geraldton, Laverton, Meekatharra, Mingenew, Mount Magnet, Sandstone, Three Springs, Victoria Plains, Yalgoo.