a group of four paper birch trees, betula papyrifera, growing in kohler andrae state park, in the summer

kohler dunes state natural area sheboygan wisconsin usa america kohlerandrae park trees exploring adventure scenic nature outdoors summer environment beauty therapy conservation tranquil grass shrubs landscape evergreen conifers pine birch betula papyrifera canoe white betulaceae multi trunked bark foliage leaves dendrology deciduous group four paper growing andrae