- earthball, false truffle, puffball, hard-skinned puffball - any of various fungi of the genus Scleroderma having hard-skinned subterranean fruiting bodies resembling truffles
--1 is a kind of fungus
--1 is a member of Scleroderma, genus Scleroderma
--1 has particulars:Scleroderma citrinum, Scleroderma aurantium; Scleroderma flavidium, star earthball; Scleroderma bovista, smooth earthball