Thimbleweed

Anemone nemorosa is an early-spring flowering plant in the genus Anemone in the family Ranunculaceae, native to Europe. Common names include wood anemone, windflower, thimbleweed, smell fox and helmet flower, an allusion to the musky smell of the leaves. It is a perennial herbaceous plant, growing in early spring from 5 to 15 cm tall.

These are carpeting the wood in the golf course, it's an ancient wood, much oder than the golf course, left alone because it is a sump for the water which falls on the surrounding land, once arable land and, latterly, Normanton Golf Club.