Phylum: Basidiomycota Family: Agaricaceae
Lycoperdon pratense Pers.
Meadow Puffball
A regular sight in grassy places including lawns. The early fruiting body is white with tiny soft spines, gradually darkening with age
References:
Pelger, Laessoe & Spooner (1995) British Puffballs, Earthstars and Stinkhorns
O'Reilly (2016) Fascinated by Fungi