Quaking aspens in Gunnison National Forest, Colorado, USA

© Tim Fitzharris/Minden Pictures - 2017-08-14

tree canoe birch birch forest american aspen woody plant trunk natural environment northern hardwood forest plant grove biome tropical and subtropical coniferous forests woodland plant stem temperate broadleaf and mixed forest swamp birch red pine sweet birch birch family old-growth forest wood spruce-fir forest valdivian temperate rain forest temperate coniferous forest