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Any of various mushrooms of the family Geastraceae, having a round spore case like that of a puffball with an outer covering that splits open in a starlike form.
(Plants) any of various basidiomycetous saprotrophic woodland fungi of the genus Geastrum, whose brown onion-shaped reproductive body splits into a star shape to release the spores
a fungus of the genus Geaster, having an outer covering that splits into the form of a star.
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|Noun||1.||earthstar - any fungus of the family Geastraceae; in form suggesting a puffball whose outer peridium splits into the shape of a star|
fungus - an organism of the kingdom Fungi lacking chlorophyll and feeding on organic matter; ranging from unicellular or multicellular organisms to spore-bearing syncytia
Geastrum coronatum - an earthstar with a bluish spore sac and a purplish brown gleba; at maturity the outer layer splits into rays that bend backward and elevate the spore sac
Astreus pteridis - the largest earthstar; the fruiting body can measure 15 cm across when the rays are expanded
Astreus hygrometricus - a common species of earthstar widely distributed in sandy soil; the gleba is a pale tan