european white egg mushroom, amanita ovoidea amanitaceae

european white egg bearded amanita amidella ovoidea amanitaceae fungus mushroom large coloured cream europe mediterranean region smooth cap fleshy lamellae symbiotic forest woodland flora botany organism soil outdoor environment stipe fruit body grows growth growing fast mycorrhizal terni umbria italy mycologist naturalist micology nature natural wild daylight sunlight shadow autumn season seasonal close organic ecology some specimens