fresh deadly poisonous mushroom. death cap with characteristic f

agaricales agaricomycetes amanita basidiomycota cap characteristic convex danger dangerous deadly death deathcap destructive disastrous fatal forest fragments fresh fungi fungus generic head inedible inesculent lethal mortally murderous mushroom mycology natural nature organic outdoor phalloides pileus plant poisonous season sort species stem stipe toadstool toxic typical uneatable universal variety veil young