large white mushrooms growing in sawdust

mushroom fungi pluteus petasatus tawny-brown nature edible food mushrooms fungus autumn brown close-up closeup natural plant wood green wild fresh vegetable basidiomycota agaricomycetes stem stipe cap pileus gills gill lamellae scalloped edge scallop pale board sawdust rotting rotten large agaricales foods organic lamella pletasatus white growing pile mixed pieces boards split cgrowing curved caps agrowing boards