MycoKey : the genus Calvatia

Generic short diagnoses: Large, short or long stipitate, squamulose to spinulose puffballs with deteriorating upper peridium exposing the spore mass and without diaphragm; true capillitium abundant, with pores or slits.

Species examples:
Calvatia cretacea
Calvatia excipuliformis
Calvatia utriformis

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