You could mistake this week's critter, the giant puffball (Calvatia gigantea), for a soccer ball. The giant fungus can grow into a puffy white ball up to 50 cm in diameter! Giant puffballs are also ...

J.B. Pritzker signed Senate Bill 3514 into law in August. The bill designates calvatia gigantea, commonly known as the "giant ...

In 2003, a man in British Columbia nearly died after eating what he thought was a non-toxic "giant puffball" mushroom (Calvatia gigantea), but was really a young death cap. Since many safe ...