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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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Hyalosperma demissum (A.Gray) Paul G.Wilson

Reference
Nuytsia 7(1): 85 (1989)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Much-branched, rounded annual, herb, to 0.02 m high. Fl. white/yellow, Aug to Nov. Shallow soils over granite, lateritic soils, clay loam. Winter-wet areas, granite slopes, sandplains.

Amanda Spooner, Descriptive Catalogue, 15 May 1997
Image

Distribution

IBRA Regions
Avon Wheatbelt, Coolgardie, Esperance Plains, Gascoyne, Geraldton Sandplains, Jarrah Forest, Mallee, Murchison, Swan Coastal Plain, Yalgoo.
IBRA Subregions
Augustus, Dandaragan Plateau, Eastern Goldfield, Eastern Mallee, Eastern Murchison, Fitzgerald, Geraldton Hills, Katanning, Lesueur Sandplain, Mardabilla, Merredin, Northern Jarrah Forest, Perth, Recherche, Southern Cross, Southern Jarrah Forest, Tallering, Western Mallee.
Local Government Areas (LGAs)
Armadale, Beverley, Boyup Brook, Busselton, Chapman Valley, Collie, Coolgardie, Coorow, Cranbrook, Cuballing, Cunderdin, Dalwallinu, Dandaragan, Dardanup, Dowerin, Dumbleyung, Dundas, Esperance, Gnowangerup, Goomalling, Gosnells, Greater Geraldton, Irwin, Jerramungup, Kalgoorlie-Boulder, Katanning, Kellerberrin, Kent, Kondinin, Lake Grace, Menzies, Merredin, Morawa, Mount Marshall, Mukinbudin, Mundaring, Murray, Nannup, Narembeen, Northam, Northampton, Perenjori, Pingelly, Plantagenet, Quairading, Ravensthorpe, Sandstone, Serpentine-Jarrahdale, Swan, Toodyay, Trayning, Upper Gascoyne, Victoria Plains, Wandering, Wanneroo, West Arthur, Westonia, Wickepin, Williams, Wongan-Ballidu, Woodanilling, Wyalkatchem, Yalgoo, Yilgarn, York.