group of black brown mushrooms on the ground among moss, green wild grass and brown fallen leaves in the forest, autumn day

amanita autumn background biology botanical botany bracket cap color concept copy dangerous detail disease ecology ecosystem edible environment europe fall field flora forest fresh fungal fungi fungus ground growing inedible meadow mushroom mycology nature non outdoor parasite park pattern poisonous polypore rural season shelf space toadstool toxic uneatable wild woodland woods yellow