Taxus brevifolia (Pacific Yew)
Abies balsamea (Balsam Fir)
Abies concolor (White Fir)
Abies grandis (Grand Fir)
Abies lasiocarpa (Subalpine Fir)
Larix laricina (Tamarack)
Larix occidentalis (Western Larch)
Picea engelmannii (Engelmann Spruce)
Picea glauca (White Spruce)
Picea mariana (Black Spruce)
Picea pungens (Blue Spruce)
Taxodium distichum (Baldcyprus)
Thuja occidentalis (Northern White-cedar)
Thuja plicata (Western Redcedar)
Sabal palmetto (Cabbage Palmetto)
Washingtonia filifera (California Fan Palm)
Populus angustifolia (Narrowleaf Cottonwood)
Populus balsamifera (Balsam Poplar)
Populus deltoides (Eastern Cottonwood)
Acer macrophyllum (Bigleaf Maple)
Populus grandidentata (Bigtooth/Largetooth Aspen)
Populus tremuloides (Quaking Aspen)
Rhus typhina (Staghorn Sumac)
Salix bebbiana (Bebb Willow)
Salix nigra (Black Willow)
Salix scouleriana (Scouler Willow)
Carya cordiformis (Bitternut Hickory)
Carya glabra (Pignut Hickory)
Carya illinoinensis (Pecan)
Carya ovata (Shagbark Hickory)
Juglans cinerea (Butternut)
Juglans nigra (Black Walnut)
Alnus rubra (Red Alder)
Betula alleghaniensis (Yellow Birch)
Betula lenta (Sweet Birch)
Betula occidentalis (Water Birch)
Betula papyrifera (Paper Birch)
Betula populifolia (Gray Birch)
Carpinus caroliniana (American Hornbeam)
Ostrya virginiana (American/Eastern Hophornbeam)
Castanea dentata (American Chestnut)
Fagus grandifolia (American Beech)
Notholithocarpus densiflorus (Tanoak)
Quercus agrifolia (Coast Live Oak)
Quercus alba (White Oak)
Acer platanoides (Norway Maple)
Quercus chrysolepis (CanyonLive Oak)
Quercus douglasii (Blue Oak)
Quercus falcata (Southern Red Oak)
Quercus garryana (Oregon White Oak)
Yucca brevifolia (Joshua Tree)
Quercus kelloggii (California Black Oak)
Quercus macrocarpa (Bur Oak)
Fraxinus Pennsylvanica (Green Ash)
Quercus palustris (Pin Oak)
Quercus prinus (Chestnut Oak)
Quercus rubra (Northern Red Oak)
Quercus velutina (Black Oak)
Quercus virginiana (Live Oak)
Celtis occidentalis (Northern Hackberry)
Ulmus americana (American Elm)
Ulmus rubra (Slippery Elm)
Maclura pomifera (Osage-orange)
Morus alba (White Mulberry)
Morus rubra (Red Mulberry)
Liriodendron tulipifera (Yellow-poplar)
Magnolia grandiflora (Southern Magnolia)
Magnolia macrophylla (Bigleaf Magnolia)
Asimina triloba (Pawpaw)
Sassafras albidum (Sassafras)
Umbellularia californica (California-laurel)
Hamamelis virginiana (Witch-hazel)
Liquidambar styraciflua (Sweetgum)
Platanus occidentalis (Sycamore)
Platanus racemosa (California Sycamore)
Amelanchier alnifolia (Western Serviceberry)
Cercocarpus ledifolius (Curl-leaf Mountain Mahogany)
Paulownia tomentosa (Princess Tree)
Triadica sebifera (Chinese Tallow)
Heteromeles arbutifolia (Toyon)
Prunus americana (American Plum)
Prunus emarginata (Bitter Cherry)
Prunus pensylvanica (Pin Cherry)
Prunus serotina (Black Cherry)
Prunus virginiana (Common Chokecherry)
Sorbus americana (American Mountain-ash)
Vachellia farnesiana (Sweet Acacia)
Cercis canadensis (Eastern Redbud)
Parkinsonia florida (Blue Paloverde) synonym Cercidium floridum
Gleditsia triacanthos (Honeylocust)
Gymnocladus dioicus (Kentucky Coffeetree)
Prosopis glandulosa (Honey Mesquite)
Robinia pseudoacacia (Black Locust)
Zanthoxylum clava-herculis (Hercules-club/Toothache-Tree)
Ailanthus altissima (Ailanthus/Tree of Heaven)
Rhus glubra (Smooth Sumac)
Ilex opaca (American Holly)
Ilex vomitoria (Yaupon)
Acer negundo (Boxelder)
Acer rubrum (Red Maple)
Acer saccharinum (Silver Maple)
Acer saccharum (Sugar Maple)
Aesculus californica (California Buckeye)
Aesculus glabra (Ohio Buckeye)
Tilia americana (American Basswood)
Carnegiea gigantea (Saguaro)
Eucalyptus globulus (Bluegum Eucalyptus)
Cornus florida (Flowering Dogwood)
Cornus nuttallii (Pacific Dogwood)
Nyssa sylvatica (Black Tupelo/Blackgum)
Arbutus menziesii (Pacific Madrone)
Diospyros virginiana (Common Persimmon)
Fraxinus americana (White Ash)
Fraxinus latifolia (Oregon Ash)
Fraxinus velutina (Arizona Ash)
Catalpa bignonioides (Southern Catalpa)
Catalpa speciosa (Northern Catalpa)
Chilopsis linearis (Desert-willow)
Sambucus canadensis (American Elder/Elderberry)
Aleurites moluccanus (Candlenut)
Picea rubens (Red Spruce)
Picea sitchensis (Sitka Spruce)
Pyrus calleryana (Bradford Pear)
Albizia julibrissin (Silktree)
Pinus attenuata (Knobcone Pine)
Pinus banksiana (Jack Pine)
Pinus contorta (Lodgepole Pine)
Pinus echinata (Shortleaf Pine)
Pinus edulis (Colorado Pinyon Pine)
Populous alba (White Poplar)
Pinus lambertiana (Sugar Pine)
Betula nigra (River Birch)
Quercus phellos( Willow Oak)
Pinus palustris (Longleaf Pine)
Pinus ponderosa (Ponderosa Pine)
Pinus resinosa (Red Pine)
Pinus rigida (Pitch Pine)
Pinus strobus (Eastern White Pine)
Pinus taeda (Loblolly Pine)
Pinus virginiana (Virginia Pine)
Pseudotsuga menziesii (Douglas-fir)
Tsuga canadensis (Eastern Hemlock)
Tsuga heterophylla (Western Hemlock)
Tsuga mertensiana (Mountain Hemlock)
Chamaecyparis lawsoniana Port-Orford-cedar (Oregon Cedar)
Cupressus macrocarpa (Monterey Cypress)
Juniperus osteosperma (Utah Juniper)
Juniperus scopulorum (Rocky Mountain Juniper)
Juniperus virginiana (Eastern Redcedar)
Sequoia sempervirens (Redwood)
Sequoiadendron giganteum (Giant Sequoia)
Ginkgo biloba (Ginkgo)