Photo taken on 27/06/10 at College Lake, Bucks.
I have seen this once or twice at Ivinghoe Beacon, on the route of my Berks-Essex Walk. It grows on Chalk or Limestone Grasslands and on sand dunes, flowering in June and July.
Photo taken on 21/06/09 at College Lake, Bucks.
Photo taken on 23/06/17 at Kensworth, Beds.
Photo taken on 23/06/17 at Kensworth, Beds.