Mountain Region

Blue spruce, Douglas fir, white fir, western yellow pine, native cottonwoods, and box elder.

Connecticut

Norway pine, white spruce, white oak, red oak, black oak, pin oak, sugar maple, red maple, Norway maple, white ash, American elm, sycamore, black walnut, horse chestnut, basswood, beech, and canoe (paper) birch.

Delaware

Norway spruce, white spruce, arborvitae (northern white cedar), southern white cedar, eastern hemlock, white oak, black oak, pin oak, willow oak, sugar maple, Norway maple, red maple, white ash, holly, black elder, Lombardy poplar, American elm, red (sweet) gum, London (Oriental) plane, beech, basswood, and weeping willow.

Florida

North - Live oak, laurel oak, Washington palm, Canary Island date palm, cabbage palmetto, slash pine, and longleaf pine.

South

Australian pine, silk oak, evergreen magnolia, coconut and royal palms.

Georgia

Deodar cedar, bald (southern) cypress, Carolina and eastern hemlocks, white oak, black oak, willow oak, laurel oak, pin oak, post oak, live oak, red maple, sugarberry, redbud, fringe tree, sweet gum, sweet bay, holly, and evergreen magnolia.

Idaho

Blue spruce, Engelmann spruce, white fir, Douglas fir, Rocky Mountain red cedar, jack pine, western yellow pine, paper birch, Norway maple, sycamore maple, green ash, weeping willow, black cottonwood, narrow-leafed Cottonwood, aspen, Balm-of-Gilead poplar, hackberry, box elder, American elm, cork elm, honey locust, and black locust.

Illinois

White pine, Norway spruce, arborvitae (northern white cedar), European larch, swamp white oak, black oak, bur oak, pin oak, red oak, Norway maple, sugar maple, tulip tree (yellow poplar), sycamore, basswood, black walnut, American elm, hackberry, shellbark and bitternut hickories, and ginkgo.

Indiana

Arborvitae (northern white cedar), white oak, red oak, pin oak, sugar maple, Norway maple, red maple, basswood, swamp white oak, black walnut, tulip tree (yellow poplar), sycamore, American elm, and ginkgo.

Iowa

Arborvitae (northern white cedar), Norway spruce, white pine, white oak, pin oak, red oak, paper birch, Norway maple, sugar maple, American elm, sycamore, hackberry, and white ash.

Kansas

Chinese arborvitae, Scotch pine, pin oak, green ash, hackberry, honey locust, Russian olive, sycamore, black walnut, American elm, and Chinese elm.

Kentucky

Pin oak, red oak, bur oak, overcup oak, Norway maple, sugar maple, red maple, white ash, sycamore, basswood, tulip tree (yellow poplar), ginkgo, black walnut, cucumber magnolia, and hickories.

Louisiana

Southern cypress, laurel oak, live oak, southern red oak, post oak, evergreen magnolia, winged elm, sugarberry, sycamore, and red (sweet) gum.

Maine

European larch, arborvitae (northern white cedar), red spruce, white spruce, red pine, red oak, paper birch, red maple, American elm, thorn tree, beech, and basswood.