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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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Argemone ochroleuca Sweet
Mexican Poppy

Reference
Brit.Fl.Gard. Ser.1,3:Tab.242 (1827)
Conservation Code
Not threatened
Naturalised Status
Alien to Western Australia
Name Status
Current

Erect, glaucous annual, herb, 0.2-1 m high, spiny, with yellow latex. Fl. white-cream-yellow, Feb to Mar or Jul to Nov. Sandy soils, red-brown clay loam. Creek edges, riverbanks, roadsides.

Amanda Spooner, Descriptive Catalogue, 17 September 1999
Image

Distribution

IBRA Regions
Avon Wheatbelt, Carnarvon, Gascoyne, Geraldton Sandplains, Jarrah Forest, Murchison, Pilbara, Swan Coastal Plain, Yalgoo.
IBRA Subregions
Ashburton, Augustus, Cape Range, Chichester, Eastern Murchison, Fortescue, Geraldton Hills, Hamersley, Katanning, Merredin, Northern Jarrah Forest, Perth, Roebourne, Tallering, Western Murchison, Wooramel.
IMCRA Regions
Central West Coast, Leeuwin-Naturaliste, WA South Coast.
Local Government Areas (LGAs)
Albany, Ashburton, Beverley, Cambridge, Carnarvon, Chapman Valley, Cockburn, East Pilbara, Exmouth, Greater Geraldton, Kalgoorlie-Boulder, Karratha, Meekatharra, Merredin, Murchison, Nedlands, Northam, Port Hedland, Rockingham, Shark Bay, South Perth, Toodyay, Upper Gascoyne, Yalgoo.