Stock photography, photos: Birch Pine Fern Stock photos of Leafless birch tree trunks against a backtrop of pine trees with a ground blanket of browned ferns Photograph: © Brian Wicks Click for a larger image and more information Keywords associated with this stock photo: birch, aspen, pine, evergreen, fern, fall, leaf color, autumn, Cape Breton National Park, Nova Scotia, Canada, autumnal equinox, birchbark, undergrowth, wilderness, bracken,