balsam fir berlin branch branches closeup Columbian spruce environment forest germany green grunewald Jack pine landscape landscapes Larix lyalliiSubalpine Larch lodgepole pine nature pine pine cone pine cones pine-needle pine-needles pines shortleaf black spruce shortstraw pine tree trees White pine wood Yellow fir American larch Antarctic flora brush brush-wood brushwood bush cushion decay flower grass grow grown moss moss cushion natural Non-vascular land plant plant soft summer Terrestrial plant tiny underbrush vascular plant woods