 Deciduous forest trees include the white ash, big-toothed and trembling aspen, American beech, paper and yellow birch, red oak, American mountain ash, as well as mountain, red, striped, and sugar maples.Other deciduous forest plants include large-leaved aster, chokecherry, red-berried elder, Christmas fern, threeleaf goldthread, early saxifrage, false Solomon's seal, small Solomon's seal, and twinflower.Trees commonly found in the mountains and dry, rocky places of the national park include gray birch, common juniper, jack pine, and pitch pine, while smaller trees, or shrub, species include green alder and pin cherry.