Hydnoporia olivacea (Schwein.) Teixeira (Hymenochaetopsis olivacea)
is a saprotroph, found on underside of dead branches, especially oak. Bristly olive-brown ’toothed’ resupinate crust fungus that covers the branches of hardwoods. Very common decomposer. It is in the Hymenochaetaceae family of the Hymenochaetales order.
Hydnoporia olivacea (Hymenochaetopsis olivacea, Hydnochaete olivacea)