Sandy disturbed soil
No interactions present.
...I would have expected the leaf lobes to be more pointed, if it were poppy.
But I know that the early growth is often atypical of the adult plant.
How to take close-ups with cheap phone and hand-lens:
Field Guides for Budding Botanists:
Lat/Lng: 52.3, -0.9
OS grid ref: SP7567