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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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Brassica nigra (L.) W.D.J.Koch
Black Mustard

Reference
Roehl., Deutschl.Fl. Ed. 3, 4:713-714 (1833)
Conservation Code
Not threatened
Naturalised Status
Alien to Western Australia
Name Status
Current

Annual, herb, to 1 m high. Fl. yellow-cream-white, Jul.

Grazyna Paczkowska, Descriptive Catalogue, 17 April 1996

Distribution

IBRA Regions
Avon Wheatbelt, Jarrah Forest.
IBRA Subregions
Katanning, Southern Jarrah Forest.
Local Government Areas (LGAs)
Northam, Plantagenet.