About 2ft high, growing in grass at side of footpath
No interactions present.
I did wonder - thanks for the id.
not sure I'm right though! Can see why you went for arvensis and it would be much more likely
Lat/Lng: 54.62556, -1.22107
OS grid ref: NZ503258
About 0.5 mile W of A178 road bridge at Greatham Creek, Teesmouth