Bleeding Oak Crust Taken at Baron's Haugh on 29th September 2022 using Panasonic Lumix TZ70 in macro mode. Bleeding Oak Crust. Species: Order: Family: A.K.A. Stereum gausapatum. Russulales. Stereaceae. Habitat: Season: Edibility: Feature: Mainly on dead trunks and branches of oak trees. Throughout the year. Spores spread in the Autumn Tough and leathery. They are inedible and of no culinary value. When it is scratched the fertile surface 'bleeds' and turns red. When picking any fungus for consumption, caution should be exercised at all times.