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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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Poranthera microphylla Brongn.
Small Poranthera

Reference
Ann.Sci.Nat., Bot. 29:385 (1833)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Slender, procumbent to erect annual, herb, 0.02-0.1(-0.2) m high. Fl. white, Jun to Dec. Sandy soils, clay. Seasonally wet areas, near creeks, sandplains.

Grazyna Paczkowska, Descriptive Catalogue, 4 September 1996

Distribution

IBRA Regions
Avon Wheatbelt, Central Kimberley, Central Ranges, Coolgardie, Dampierland, Esperance Plains, Gascoyne, Geraldton Sandplains, Great Victoria Desert, Jarrah Forest, Little Sandy Desert, Mallee, Murchison, Northern Kimberley, Swan Coastal Plain, Warren, Yalgoo.
IBRA Subregions
Augustus, Berkeley, Central, Dandaragan Plateau, Eastern Goldfield, Eastern Mallee, Eastern Murchison, Edel, Fitzgerald, Geraldton Hills, Katanning, Lesueur Sandplain, Mann-Musgrave Block, Merredin, Mitchell, Northern Jarrah Forest, Pentecost, Perth, Pindanland, Recherche, Shield, Southern Cross, Southern Jarrah Forest, Tallering, Trainor, Warren, Western Mallee, Western Murchison.
IMCRA Regions
Leeuwin-Naturaliste, WA South Coast, Zuytdorp.
Local Government Areas (LGAs)
Albany, Armadale, Augusta Margaret River, Beverley, Boddington, Boyup Brook, Bridgetown-Greenbushes, Broome, Busselton, Cambridge, Carnarvon, Chapman Valley, Chittering, Collie, Coolgardie, Coorow, Cranbrook, Cuballing, Cunderdin, Dandaragan, Denmark, Derby-West Kimberley, Donnybrook-Balingup, Dowerin, Dumbleyung, Dundas, Esperance, Gingin, Gnowangerup, Goomalling, Gosnells, Harvey, Jerramungup, Kalamunda, Kalgoorlie-Boulder, Kellerberrin, Kent, Kojonup, Kondinin, Koorda, Kwinana, Laverton, Leonora, Manjimup, Menzies, Merredin, Morawa, Mount Marshall, Mundaring, Murray, Narembeen, Ngaanyatjarraku, Northam, Northampton, Perenjori, Perth, Pingelly, Plantagenet, Quairading, Ravensthorpe, Rockingham, Sandstone, Serpentine-Jarrahdale, Shark Bay, Swan, Tammin, Toodyay, Upper Gascoyne, Victoria Plains, Wandering, Wanneroo, Waroona, West Arthur, Westonia, Williams, Wiluna, Wongan-Ballidu, Woodanilling, Wyalkatchem, Wyndham-East Kimberley, Yalgoo, Yilgarn, York.