Murox
Queen Bee
Field mustard is Sinapis arvensis
Turnip rape is Brassica rapa, often grown as trap crop to protect oil seed rape (Brassica napus) from insect pests.
Yep. There is a whole range of rapistrum species, turnip-weed and ------- cabbage are just two of them. Last year I thought I had seen a field of OSR near me, which was very unlikely; when I drove to the field I found it was weed - r . rugosum a flowering mustard - ------- cabbage/common giant mustard/turnip-weed. There are all Brassicaceae.