seamless border of colorful cartoon poisonous mushrooms and fern stems from background. natural fungus frieze

agaric amanita bacterium biology boletus border botanical brown cartoon colorful danger dangerous design drawing ecology fall fern flora fly forest frame frieze fungal fungus graphic grebe herbal horizontal inedible ingredient isolated leaves mushroom mycelium natural object organic pathogen pattern plant poison poisonous seamless stem texture toadstool toxic unhealthy vector vegetable