scleroderma bovista(n = noun.plant) 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;
is a kind of earthball, false truffle, hard-skinned puffball, puffball
is a member of genus scleroderma, scleroderma

genus scleroderma, scleroderma, scleroderma aurantium, scleroderma citrinum, scleroderma flavidium