Oak tree leaf, quercus robur l., covered in hoarfrost, switzerland

cold tree horizontals icy leaves fallen brown horizontal temperate woodlands cold winter stieleiche macro magnoliophyta magnoliopsida winter quercus swiss frost developed country detail oak fagales leaf europe woodland white leaf switzerland seasons fragil eiche ice hoarfrost fagaceae robur plant beech developed countries european ground frosty frost 1030 55263