agar-mushrooms agaricus-bisporus appearance baby-bella baby-portobello brown brown-cap-mushrooms brown-mushroom caps chestnut-brown chestnut-mushroom cremini-mushroom dark dry edible fleshy folded folds food fresh fungi Gills Italian-brown Italian-mushroom mini-bella mushrooms original portabellini quality quantity raw Roman-brown-mushroom shape smooth soft stalk stem surface surfaces Swiss-brown-mushrooms table-mushroom tasty texture textures underside variations vegetable vegetables wrinkled autumn big forest fungus Medicinal mushroom moss mushroom Natural landscape nature organism parasite plant sunlight tree woodland woods green lake water fall grass lamella moist red black boletus close up details Forrest garden gardening ink mushroom leafs macro natural venom yellow