Habitat type: Other. Habitat note: On gravel heap next to paddock full of volunteer Brassica. Surrounding land use: Paddock. Site disturbed, and >50% bare ground. Site not controlled by mowing or spraying. Other disturbance/control: Sheep are eating volunteer Brassicas.
Notes:
1000 plants in the population, in area 100 by 100 metres. Was plant number 107/1 (Gene flow assessment project 2003 collection number).