MycoKey : the genus Geastrum

Generic short diagnoses: Closed, globose to onion-shaped, fairly big fruitbodies that open the outer peridium in a stellate pattern to expose an inner ball containing powdery spores or a naked mass of powdery spores held together by capillitial threads.

Species examples:
Geastrum coronatum
Geastrum fimbriatum
Geastrum fornicatum
Geastrum melanocephalum
Geastrum pectinatum
Geastrum quadrifidum
Geastrum sessile
Geastrum striatum
Geastrum triplex

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