Alder Alnus spp.
Amanita Amanita spp.
Amaranth Amaranthus spp.
American chestnut Castanea dentata
American lotus Nelumbo lutea
American plum Prunus americana
Arborvitae, Northern white cedar Thuja occidentalis
Arrow arum Peltandra virginica
Arrowhead Sagittaria spp.
Arrowwood Viburnum dentatum
Ash Fraxinus spp.
Asiatic dayflower Commelina communis
Atlantic white cedar Chamaecyparis thyoides
Autumn olive Elaeagnus umbellate
Azalea Rhododendron spp.
Bacopa Bacopa monnieri
Balsam fir Abies balsamea
Barnyard grass Echinochloa crus-galli
Barrel cactus Ferocactus cylindraceus
Basket bush sumac Rhus trilobata
Basswood Tilia americana
Bay laurel Laurus nobilis
Bayberry Myrica pennsylvanica
Beach plum Prunus maritima
Bearberry Arctostaphylos alpina
Bedstraw Galium spp.
Bee balm Monarda didyma
Beech Fagus grandifolia
Big-toothed aspen Populus grandidentata
Birch Betula spp.
Bittersweet nightshade Solanum dulcamara
Black chokeberry Aronia melanocarpa
Black gum Nyssa sylvatica
Black haw Viburnum prunifolium
Black locust Robinia pseudo-acacia
Black needlerush Juncus roemerianus
Black nightshade Solanum nigrum
Black walnut Juglans nigra
Black willow Salix nigra
Blackberry Rubus spp.
Blueberry Vaccinium spp.
Buckeye Aesculus spp.
Buckwheat Eriogonum fasciculatum
Bunchberry Cornus canadensis
Burdock Arctium spp.
Buttercup Ranunculus spp.
Cactus Opuntia spp.
Cattail Typha spp.
Chaparral Croton corymbulosus
Cherry Prunus spp.
Chestnut Castanea dentata
Chickasaw plum Prunus angustifolia
Chickweed Stellaria media
Chicory Cichorium intybus
Chinkapin Castanea pumila
Chokeberry Aronia spp.
Coffeeberry Rhamnus crocea, R. californica, R. purshiana
Common barberry Berberis vulgaris
Common milkweed Asclepias syriaca
Corn salad Valerianella spp.
Crabapple Malus spp.
Crabgrass Digitaria sanguinali
Cranberry Vaccinium macrocarpon
Cress Barbarea spp.
Crotalaria Crotolaria spp.
Dandelion Taraxacum officinale
Dangleberry Gaylussacia frondosa
Dead nettle Lamium purpureum
Death camas Zigadenus spp.
Deerberry Vaccinium stamineum
Dewberry Rubus spp.
Dogbane Apocynum cannabinum
Douglas fir Pseudotsuga mensiesii
Eastern red cedar Juniperus virginiana
Elder Sambucus canadensis
Elm Ulmus spp.
Epazote Chenopodium ambrosioides
Ephedra Ephedra spp.
Evening primrose Oenothera biennis
False dandelion Pyrrhopappus carolinianus
False hellebore Veratrum viride
False morel Gyromitra spp.
Farkleberry Vaccinium arboreum
Field garlic Allium oleraceum
Fir Abies spp.
Fox grape Vitis labrusca
Foxtail grass Setaria spp.
Garlic mustard Alliaria petiolata
Goldenrod Solidago spp.
Gooseberry Ribes spp.
Ground cherry Physallis spp.
Groundnut Apios americana
Groundsel Senecio vulgaris
Hawthorn Crataegus spp.
Hazelnut Corylus spp.
Heal-all Prunella vulgaris
Hedgehog cactus Echinocereus spp.
Hemlock Tsuga spp.
Henbit Lamium amplexicaule
Hickory Carya spp.
Highbush cranberry Viburnum opulus
Hobblebush Viburnum spp.
Honey locust Gleditsia triacanthos
Honeysuckle Lonicera spp.
Horse balm Monarda punctata
Horse nettle Solanum carolinense
Huckleberries Gaylussacia spp.
Iceland moss Cetraria islandica
Indian cucumber root Medeola virginica
Inkberry Ilex glabra
Jack-in-the-pulpit Arisaema triphyllum
Japanese barberry Berberis thunbergii
Japanese honeysuckle Lonicera japonica
Japanese knotweed Polygonum cuspidatum
Jerusalem artichoke Helianthus tuberosus
Jewelweed Impatiens spp.
Jimsonweed Datura stramonium
Johnson grass Sorghum halepense
Kinnikinnick Arctostaphylos uva-ursi
Kudzu Pueraria montana
Lambsquarters Chenopodium album
Larch Larix spp.
Lemonade berry sumac Rhus integrifolia
Life everlasting Pseudognaphalium obtusifolium
Live oak Quercus virginiana
Locoweed Astragalus spp.
Longleaf pine Pinus palustris
Lupine Lupinus spp.
Mad-dog skullcap Scutellaria lateriflora
Mallow Malva spp.
Manzanita Arctostaphylos spp.
Maple Acer spp.
Mayapple Podophyllum peltatum
Mesquite Prosopis spp.
Miner's lettuce Claytonia perfoliata
Moonseed Menispermum canadense
Mormon tea Ephedra spp.
Morning glory Ipomoea spp.
Mountain cranberry Vaccinium vitis-idaea
Mountain laurel Kalmia latifolia
Mulberry Morus spp.
Multiflora rose Rosa multiflora
Mustard Brassica spp.
Nannyberry Viburnum lentago
Nutgrass Cyperus spp.
Oak Quercus spp.
Ocotillo Fouquieria splendens
Ogeechee gum Nyssa ogeche
Orache Atriplex spp.
Orchard grass Dactylis spp.
Oregon crabapple Malus fusca
Oregon grape Berberis spp.
Oxeye daisy Leucanthemum vulgare
Paper birch Betula papyrifera
Partridgeberry Mitchella repens
Passionflower Passiflora incarnata
Pawpaw Asimina triloba
Peppergrass Lepidium virginicum
Persimmon Diospyros virginiana
Peyote Lophophora williamsii
Phragmites Phragmites australis, P. communis
Pickerelweed Pontederia cordata
Pine Pinus spp.
Pinyon pine Pinus edulis, P. monophylla, P. quadrifolia
Pitch pine Pinus rigida
Plantain Plantago spp.
Plum Prunus spp.
Poison hemlock Conium maculatum
Poison ivy Toxicodendron radicans
Poison oak Toxicodendron pubescens, T. diversilobum
Poison sumac Toxicodendron vernix
Pokeweed Phytolacca americana
Poplar Populus spp.
Possum haw Viburnum nudum
Prairie crabapple Malus ioensis
Precatory bean, rosary pea Abrus precatorius
Prickly pear cactus Opuntia spp.
Purslane Portulaca oleracea
Quaking aspen Populus tremuloides
Queen Anne's lace Daucus carota
Ragweed Ambrosia spp.
Ramps Allium tricoccum
Raspberry Rubus spp.
Red chokeberry Aronia arbutifolia
Red clover Trifolium pratense
Red mulberry Morus rubra
Red oak Quercus falcata, Q. gravesii, Q. rubra, Q texana
Redbay Persea borbonia, P. palustris
Redbud Cercis canadensis
Reindeer moss Cladonia rangiferina
River birch Betula nigra
Rock tripe Umbilicaria spp. and Gyrophora spp.
Rose mallow Hibiscus moscheutos
Russian olive Eleagnus angustifolia
Sagebrush Artemisia spp.
Saguaro cactus Carnegiea gigantea
Saltwort Salicornia spp.
Sassafras Sassafras albidum
Sea rocket Cakila edentula
Seaside evening primrose Oenothera humifusa
Sedge Carex spp.
Serviceberry Amelanchier spp.
Sheep sorrel Rumex acetosella
Skullcap Scutellaria spp.
Small cranberry Vaccinium oxycoccos
Smooth sumac Rhus glabra, R. pulvinata
Sourwood Oxydendrum arboreum
Southern crabapple Malus angustifolia
Sow thistle Sonchus oleraceus
Sparkleberry Vaccinium arboreum
Spicebush Lindera benzoin
Spring beauty Claytonia spp.
Spruce Picea spp.
St. Johnswort Hypericum spp.
Staghorn sumac Rhus typhina
Stinging nettle Urtica dioica
Sugar bush sumac Rhus ovata
Summer grape Vitis aestivalis
Swamp azalea Rhododendron viscosum
Swamp black gum Nyssa biflora
Sweet birch Betula lenta
Sweet crabapple Malus coronaria
Sweet goldenrod Solidago odora
Sweetgum Liquidambar styraciflua
Tepary bean Phaseolus acutifolius
Texas mulberry Morus microphylla
Thistle Cirsium spp.
Toothwort Dentaria spp.
Toyon Heteromeles arbutifolia
Trillium Trillium spp.
Viburnum Viburnum spp.
Violet Viola spp.
Virginia creeper Parthenocissus quinquefolia
Water hemlock Cicuta maculata
Water lily Nymphaea spp.
Water parsnip Sium suave
Watercress Nasturtium officinale
Waxmyrtle Myrica cerifera
White oak Quercus alba
Wild bean Strophostyles helvola
Wild black cherry Prunus serotina
Wild carrot Daucus carota
Wild garlic Allium spp.
Wild ginger Asarum canadense
Wild grape Vitis spp.
Wild lettuce Lactuca canadensis
Wild mustard Brassica spp.
Wild onion Allium spp.
Wild rice Zizania aquatica, Z. latifolia, Z. palustris, Z. texana
Wild rose Rosa spp.
Wild strawberry Fragaria spp.
Willow Salix spp.
Winter grape Vitis cinerea
Wintergreen Gaultheria procumbens
Wood sorrel Oxalis spp.
Yampa Perideridia spp.
Yaupon holly Ilex vomitoria
Yellow dock Rumex crispus
Yellow jessamine Gelsemium sempervirens
Yucca Yucca spp.
