Common Names: Berkeley's polypore, stump blossoms
It is a parasitic species that causes butt rot in oaks and other hardwood trees. The fan- or shelf-shaped caps grow in overlapping clumps from the bases of oak trees, each capable of growing to 25.5 cm diameter. They are various shades of white to pale grey, cream, beige or yellow. The pore surface is white, as is the spore print. The fruit bodies appear over July to October in the United States. It has a similar growth structure to chicken-of-the-woods (Laetiporus sulphureus) however does not have the contrasting orange skin and yellow flesh that the Laetiporus species have.