Depressed hedgehog

Hydnum umbilicatum

''Hydnum umbilicatum'', commonly known as the depressed hedgehog, is a species of tooth fungus in the family Hydnaceae. It was scientifically described in 1902 by American mycologist Charles Horton Peck. It is found in eastern North America, where it grows on boggy soil under conifer trees. It is edible.
Taxonomy
KingdomFungi
DivisionBasidiomycota
ClassAgaricomycetes
OrderCantharellales
FamilyHydnaceae
GenusHydnum
SpeciesH. umbilicatum