Boletopsis atrata

Boletopsis atrata is a species of hydnoid fungus in the family Bankeraceae. It was described as new to science in 1982 by Norwegian mycologist Leif Ryvarden. It has a disjunct distribution, found in temperate forests of East Asia and Eastern North America, where it fruits at the base of hardwood trees and stumps, especially oak (Quercus) and chestnuts (Castanea).