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nounouter layer of the spore-bearing organ in many fungitype of:
Definition that contains peridium
- family sclerodermataceae a family of fungi or order Sclerodermatales with a single-layered peridium; includes earthballs
- scleroderma aurantium an earthball fungus that is a dingy brownish yellow and a dark purplish interior; the peridium is covered with a pattern of small warts
- sclerodermatales an order of fungi having a peridium surrounding a gleba (sometimes placed in subclass Homobasidiomycetes)
- geastrum type genus of Geastraceae; fungi whose outer peridium when dry splits into starlike segments
- scleroderma bovista 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
- 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
- genus geastrum type genus of Geastraceae; fungi whose outer peridium when dry splits into starlike segments
- scleroderma citrinum an earthball fungus that is a dingy brownish yellow and a dark purplish interior; the peridium is covered with a pattern of small warts
- earthstar any fungus of the family Geastraceae; in form suggesting a puffball whose outer peridium splits into the shape of a star
- order sclerodermatales an order of fungi having a peridium surrounding a gleba (sometimes placed in subclass Homobasidiomycetes)