bolete eater covering porcini mushroom

2017 and ascomycete ascomycota autumn background bolete boletus bun cep chrysospermus color completely covered covering crusts disease eater environment finland forest fungi fungus ground growth herbal host hypocreaceae hypomyces image inedible infected large late medicine mould mushroom mushrooms nature old one outdoors outside parasite parasitic parasitize photo pimply porcini powders red september small soil stage stages white yellow