Erysimum cheiranthoides L.
| GB Red List | England Red List | GB Scarcity | Norfolk Scarcity |
| NT |
Archaeophyte, Axiophyte
Treacle Mustard is an annual, locally frequent in arable fields but common also as a weed of waste ground, roadsides and railways. It prefers sandy ground (D. A. Pearman in Preston et al, 2002)
In Norfolk, Treacle Mustard is widespread but thinly scattered, in arable fields and other disturbed ground.
