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 abstract abstracts background backgrounds beige black brush chaos damage decay desktop dez pain distressed fill gloomy graphic grunge grungy leather neutral old olden oxidisation paper parchment rust scratches sepia shapes stained vector wallpaper worn xymonau angles arch arched arched-windows arches architectural architecture Australian coloring colors colouring colours construction craftsmanship elements exterior external glass historic historical history light lines pane panes perspectives reflection stone stonework style views wall walls window window-frame window-pane window-panes windows abundant air airy balls balls-of-fluff fluff fluffy furry gray grey hairy plant plants round rounded seed seed-balls seed-dispersal seeds weed weeds wind board chalk chalkboard classroom communication dirty education green green board green chalkboard learning school schoolboard smeared teaching vintage wiped