Litter, Woody debris
Damage, symptoms and biology
The fruiting body is spherical, somewhat flattened, and has a fairly hard rind that is yellowish, orangish or brownish in colour and covered with flattened warts. The flesh is initially white, then purplish and finally turns black. It is hard and granular and has an unpleasant odour. The stem is virtually non-existent. This species has blackish purple spores that escape through a slit that forms on top of the fruiting body when the fungus reaches maturity.
Some people consider this species toxic. Be careful not to confuse it with edible puffballs. It can be differentiated on the basis of its hardness.
Habitats : deciduous or mixed forests, near old stumps or on rotting wood, and in pastures.
Canadian Forest Service Publications
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