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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. Due to the rapidly approaching holiday season and associated agency and facility soft closures, along with the substantial work involved in data mapping, cleaning, and verification, the migration to the new collection management software is not expected to occur before 1 March 2026, when a further update will be provided. 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 Monday, 2 March 2026 +08:00.

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Cotula coronopifolia L.
Waterbuttons

Reference
Sp.Pl. [Linnaeus] 2:892 (1753)
Conservation Code
Not threatened
Naturalised Status
Alien to Western Australia
Name Status
Current

Stoloniferous, creeping to upright, succulent annual or perennial, herb, to 0.3 m high. Fl. yellow, Jan to Dec. Dry brown sand, red-brown muddy sand, granite, laterite, ironstone. Along creeks & rivers, floodplains, lower valley slopes, hills, rock crevices and outcrops.

Amanda Spooner, Descriptive Catalogue, 10 February 2006
Image

Distribution

IBRA Regions
Avon Wheatbelt, Esperance Plains, Geraldton Sandplains, Jarrah Forest, Mallee, Swan Coastal Plain, Warren.
IBRA Subregions
Dandaragan Plateau, Fitzgerald, Geraldton Hills, Katanning, Lesueur Sandplain, Merredin, Northern Jarrah Forest, Perth, Recherche, Southern Jarrah Forest, Warren, Western Mallee.
IMCRA Regions
Central West Coast, Leeuwin-Naturaliste, WA South Coast.
Local Government Areas (LGAs)
Albany, Armadale, Augusta Margaret River, Bayswater, Beverley, Boyup Brook, Bridgetown-Greenbushes, Brookton, Busselton, Cambridge, Canning, Capel, Chapman Valley, Chittering, Cockburn, Collie, Corrigin, Cranbrook, Cuballing, Cunderdin, Dandaragan, Denmark, Dowerin, Esperance, Gingin, Gnowangerup, Goomalling, Gosnells, Greater Geraldton, Harvey, Irwin, Jerramungup, Kalamunda, Kent, Kojonup, Mandurah, Manjimup, Melville, Merredin, Mingenew, Murray, Nannup, Narrogin, Northam, Northampton, Perth, Pingelly, Plantagenet, Quairading, Ravensthorpe, Rockingham, Serpentine-Jarrahdale, South Perth, Swan, Tammin, Three Springs, Toodyay, Victoria Park, Victoria Plains, Wanneroo, Waroona, West Arthur, Wongan-Ballidu, Woodanilling, York.