trametes pubescens - a saprotrophic autumn mushroom on a rotten tree branch, odessa

trametes pubescens fungus mushroom basidiomycota agaricomycetes polyporales polyporaceae saprotrophic autumn rotten tree branch odessa white rot shelf inedible decomposer hardwood wooddecay forest nature biology mycology ecology biodiversity species organism spores hyphae basidiocarp fruiting body macrofungi environment habitat growth cluster fungi basidiomycete velutina plant pathogen polypore botany