gloeophyllum sepiarium,the rusty gilled polypore,is a wood decay fungus that causes a brown rot

autumn background bark beautiful biology brown brown rot fungus cap close-up closeup color colorful decay environment european fall forest fungi gloeophyllum gloeophyllum sepiarium green grows macro mazegill moisture mushroom mushrooms mushrooms isolated mycology natural nature orange outdoor outdoors plant polypore pores rusty rusty gilled season sepiarius stump summer tree trunk wild wood yellow