Giant puffball | You can easily overlook giant puffballs because they camouflage themselves as clean white softballs or soccer balls. Description from pinterest.com. I searched for this on bing.com/images
Calvatia gigantea, known as the Giant Puffball, is a puffball mushroom commonly found in meadows, fields, and deciduous forests worldwide usually in late summer and autumn. It is common throughout Europe and North America.