exsudoporus frostii boletus frostii, frost or apple bolete fungus on green grass. gilled mushroom. edible fungus on white

agaric apple autumn body bolete brown cap closeup conservation decomposer edible fall food forest fresh frosts fruiting fungal fungi fungus grass grow growing growth hampshire healthy heterotroph humus illustration macro mushroom natural nature new newbury organic outdoors plant raw red reproduction reserve saprophyte season seasonal spores stem underneath vegetable vegetarian white wild wood