Found solitary or in groups on ground or decaying wood in forests.
Fruiting body: Some shade of brown covered with coarse warts/scales; mostly spherical; tough skin. Spores: Firm white mass when young, becoming marbled gray/purplish/black, finally becoming blackish/brownish at maturity. Skin rots away exposing powdery spores (J. Solem, pers. comm).
Sometimes attacked by Parasitic Bolete (Boletus parasiticus), a small bolete that may have several fruiting bodies attached to one puffball. The exact relationship between the two species is not fully understood. (L. Biechele, pers. comm.)
There are 198 records in the project database.
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