Brassica ×napus L.

Reference
Sp.Pl. 2:666 (1753)
Conservation Code
Not threatened
Naturalised Status
Alien to Western Australia
Name Status
Current

Annual or biennial, herb, to 1.5 m high. Fl. yellow, Aug to Sep. Roadsides.

Grazyna Paczkowska, Descriptive Catalogue, 17 April 1996

Distribution

IBRA Regions
Avon Wheatbelt, Coolgardie, Geraldton Sandplains, Jarrah Forest, Mallee, Pilbara, Swan Coastal Plain.
IBRA Subregions
Hamersley, Katanning, Lesueur Sandplain, Merredin, Northern Jarrah Forest, Perth, Southern Cross, Southern Jarrah Forest, Western Mallee.
IMCRA Regions
WA South Coast.
Local Government Areas (LGAs)
Albany, Ashburton, Belmont, Brookton, Busselton, Cockburn, Dandaragan, Donnybrook-Balingup, Dowerin, Esperance, Kondinin, Northam, Rockingham, South Perth, Stirling, Waroona, Wickepin.