chlorociboria aeruginascens is a saprobic species of mushroom, commonly known as the green elfcup or the green wood cup

green fungi fungus chlorociboria mushroom pigment blue cup nature aeruginascens beautiful elfcup color mushrooms autumn natural infection wood bluegreen macro woodland toadstool quinone xylindein rotting decay aeruginosa deciduous fruiting tunbridge ware surrey bluish fall rot elfcap ch woodcup woodstain heath piece oak cyan group forest