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.
These pictures are part of the MycoKey project. You can use this link to view larger versions and more information in the MycoKey online version. You can also download and install the full MycoKey project to get thousands of pictures along with detailed generic descriptions, references and interactive, synoptical (multi-access) keys to genera of fungi in Northern Europe.