- Scleroderma bovista, smooth earthball - an earthball with a peridium that is firm dry and smooth when young but developing cracks when mature; pale orange-yellow when young and reddish brown at maturity
--1 is a kind of earthball, false truffle, puffball, hard-skinned puffball
--1 is a member of Scleroderma, genus Scleroderma