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Service Notice

The Western Australian Herbarium’s collections management system and census were set to read-only mode on 1 October 2025. Taxonomic updates published since this time are not being reflected in Florabase, herbarium collections, or Western Australia’s taxonomic names census (Nomos). Conservation listings displayed on Florabase may also be out of date. Please refer to DBCA’s Threatened species and communities webpage for the most recent Threatened and Priority Flora List, noting that recent taxonomic updates are similarly not included. Our database migration is moving to a staging phase. We thank you for your patience as we ensure the integrity of our biodiversity data, develop new workflows, and train staff to use the new systems. Please reach out to us if you have any questions or concerns.

The notice period started at 12:00 pm on Wednesday, 1 October 2025 +08:00 and will end at 12:00 pm on Friday, 1 January 2027 +08:00.

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Sisymbrium erysimoides Desf.
Smooth Mustard

Reference
Fl.Atlant. 2:84,Tab.158 (1798)
Conservation Code
Not threatened
Naturalised Status
Alien to Western Australia
Name Status
Current

Erect annual, herb, 0.1-0.8 m high. Fl. yellow, Apr or Jun to Oct. Sandy & clayey soils.

Grazyna Paczkowska, Descriptive Catalogue, 19 April 1996

Distribution

IBRA Regions
Avon Wheatbelt, Carnarvon, Central Ranges, Coolgardie, Gascoyne, Geraldton Sandplains, Hampton, Jarrah Forest, Murchison, Nullarbor, Yalgoo.
IBRA Subregions
Augustus, Eastern Goldfield, Eastern Murchison, Edel, Geraldton Hills, Hampton, Mann-Musgrave Block, Merredin, Northern Jarrah Forest, Nullarbor Plain, Southern Cross, Tallering, Western Murchison, Wooramel.
IMCRA Regions
Shark Bay.
Local Government Areas (LGAs)
Bruce Rock, Carnarvon, Coolgardie, Coorow, Cue, Dundas, Greater Geraldton, Kalamunda, Kalgoorlie-Boulder, Meekatharra, Morawa, Ngaanyatjarraku, Northampton, Perenjori, Shark Bay, Upper Gascoyne, Yalgoo.