xylobolus frustulatus, commonly known as the ceramic fungus is an inedible species of crust fungus in the stereaceae family.

abstract abstract background design autumn backgrounds bark texture beautiful beauty biodiversity biological diversity boreal forest brown ceramic fungus parchment closeup cup endangered fungi grass green hats macro magic mountain mushroom mushrooms mycology natural nature oak old orange pattern protected rainforest rare red romania southeast species transilvania tree white wild wood xylobolus frustulatus