bark basidiomycete basidiomycetes fungus leaf leaves moss mushroom mushrooms plant plants toadstool toadstools wood log tree ascocarp ascomycete basidiocarp biology cell magnification microscope sporocarp autumn basidiom brown cap close-up country countryside damp decay edible fairy food forest gill hallucinogenic ingredient landscape macro magic narcotic nature orange organism outdoors poison poisonous rot rotting saprophyte spore spores sporing stalk Stump substance toxic vegetable wild woods yellow