autumn background bracken brown dried England fern frond leaf plant Pteridium Surrey texture dense english Great Britain green habitat natural nature Pteridium aquilinum summer woodland abstract angles appearance backdrop coloring colors colouring colours cool droplets drops fern-tree ferns flora foliage fronds greenery shade shapes spread spreading sunlight textures tree-fern variation vegetation wallpaper color colour fall lake leaves parkland red tree water Australia bush bushland fern tree native flora refreshing shadows tree fern amber pinnae pinnule pteridophyte russet rusty stalk stem Sussex tawny Beacon Fell conifer deciduous fell ferns bracken Fir Forestry Commission grass landscape larch Natural landscape pine sky Terrestrial plant trunk wood buttercup country countryside flower hedgerow isolated meadow pasture petal petals rural stream uk wildflower yellow branches display splendor splendour