1. トリュフに似た、地中に皮が硬い子実体ができるニセショウロ属の様々な菌類(any of various fungi of the genus Scleroderma having hard-skinned subterranean fruiting bodies resembling truffles)
2. ホコリタケ科の様々な菌類で、丸い子実体は、熟すと無数の胞子を放出する(any of various fungi of the family Lycoperdaceae whose round fruiting body discharges a cloud of spores when mature)