| Abutilon theophrasti | Velvetleaf | Malvaceae |
| Acalypha deamii | Deam's Mercury | Euphorbiaceae |
| Acalypha ostryifolia | Hophornbeam Copperleaf | Euphorbiaceae |
| Acalypha rhomboidea | Common Three-Seeded Mercury | Euphorbiaceae |
| Achillea millefolium | Common Yarrow | Asteraceae |
| Achyranthes japonica | Japanese Chaff Flower | Amaranthaceae |
| Acorus americanus | Sweetflag | Acoraceae |
| Actaea pachypoda | White Baneberry | Ranunculaceae |
| Actaea racemosa | Black Cohosh | Ranunculaceae |
| Agalinis purpurea | Purple False Foxglove | Orobanchaceae |
| Agastache foeniculum | Anise Hyssop | Lamiaceae |
| Agastache nepetoides | Yellow Giant Hyssop | Lamiaceae |
| Agastache scrophulariifolia | Purple Giant Hyssop | Lamiaceae |
| Agastache x Queen Nectarine | Agastache | Lamiaceae |
| Ageratina altissima | White Snakeroot | Asteraceae |
| Agrimonia gryposepala | Common Agrimony | Rosaceae |
| Agrimonia parviflora | Small-Flowered Agrimony | Rosaceae |
| Agrimonia pubescens | Downy Agrimony | Rosaceae |
| Ajuga reptans | Common Bugle | Lamiaceae |
| Alcea rosea | Hollyhock | Malvaceae |
| Alisma subcordatum | American Water Plantain | Alismataceae |
| Alisma triviale | Northern Water Plantain | Alismataceae |
| Alliaria petiolata | Garlic Mustard | Brassicaceae |
| Allium albopilosum | Ornamental Onion | Amaryllidaceae |
| Allium canadense | Wild Garlic | Amaryllidaceae |
| Allium cernuum | Nodding Onion | Amaryllidaceae |
| Allium schoenoprasum | Wild Chive | Amaryllidaceae |
| Allium tricoccum | Ramps | Amaryllidaceae |
| Allium tuberosum | Garlic Chives | Amaryllidaceae |
| Allium ursinum | Bear Garlic | Amaryllidaceae |
| Allium vineale | Field Garlic | Amaryllidaceae |
| Alocasia macrorrhizos | Elephant Ears | Araceae |
| Amaranthus hybridus | Slim Amaranth | Amaranthaceae |
| Ambrosia artemisiifolia | Common Ragweed | Asteraceae |
| Ambrosia trifida | Giant Ragweed | Asteraceae |
| Ammannia latifolia | Pink Redstem | Lythraceae |
| Amsonia 'Blue Ice' | Bluestar 'Blue Ice' | Apocynaceae |
| Amsonia hubrichtii | Hubricht's Bluestar | Apocynaceae |
| Amsonia tabernaemontana | Eastern Bluestar | Apocynaceae |
| Anagallis arvensis | Scarlet Pimpernel | Primulaceae |
| Anemone acutiloba | Sharp-lobed Hepatica | Ranunculaceae |
| Anemone blanda | Windflower | Ranunculaceae |
| Anemone canadensis | Canadian Anemone | Ranunculaceae |
| Anemone hupehensis | Japanese Anemone | Ranunculaceae |
| Anemone nemorosa | European thimbleweed | Ranunculaceae |
| Anemone quinquefolia | Wood Anemone | Ranunculaceae |
| Anemone virginiana | Tall Thimbleweed | Ranunculaceae |
| Angelonia angustifolia 'Archangel' | White Angelonia | Plantaginaceae |
| Antennaria plantaginifolia | Plantain-Leaved Pussytoes | Asteraceae |
| Antirrhinum majus | Snapdragon | Plantaginaceae |
| Apios americana | Groundnut | Fabaceae |
| Apocynum cannabinum | Indian Hemp | Apocynaceae |
| Aquilegia canadensis | Columbine | Ranunculaceae |
| Aralia racemosa | American Spikenard | Araliaceae |
| Arctium minus | Common Burdock | Asteraceae |
| Arenaria serpyllifolia | Thyme-Leaved Sandwort | Caryophyllaceae |
| Arisaema dracontium | Green Dragon | Araceae |
| Arisaema triphyllum | Jack-in-the-Pulpit | Araceae |
| Aristolochia serpentaria | Virginia Snakeroot | Aristolochiaceae |
| Artemisia annua | Annual Wormwood | Asteraceae |
| Artemisia ludoviciana | White Sagebrush | Asteraceae |
| Artemisia vulgaris | Common Wormwood | Asteraceae |
| Arum italicum | Italian Arum | Araceae |
| Aruncus dioicus | Goatsbeard | Rosaceae |
| Asarum canadense | Wild Ginger | Aristolochiaceae |
| Asclepias incarnata | Swamp Milkweed | Apocynaceae |
| Asclepias sullivantii | Sullivant's Milkweed | Apocynaceae |
| Asclepias syriaca | Common Milkweed | Apocynaceae |
| Asclepias tuberosa | Butterfly Weed | Apocynaceae |
| Asparagus densiflorus | Foxtail Fern | Asparagaceae |
| Asparagus officinalis | Asparagus | Asparagaceae |
| Astilbe x arendsii | Astilbe | Saxifragaceae |
| Aureolaria pedicularia | Fernleaf Yellow False Foxglove | Scrophulariaceae |
| Aureolaria virginica | Downy Yellow False Foxglove | Scrophulariaceae |
| Baptisia alba | White False Indigo | Fabaceae |
| Baptisia australis | Blue Wild Indigo | Fabaceae |
| Baptisia lactea | Milky Wild Indigo | Fabaceae |
| Baptisia sphaerocarpa | Yellow Wild Indigo | Fabaceae |
| Barbarea verna | Early Yellowrocket | Brassicaceae |
| Barbarea vulgaris | Wintercress | Brassicaceae |
| Begonia cucullata | Wax Begonia | Begoniaceae |
| Bidens aristosa | Bearded Beggarticks | Asteraceae |
| Bidens bipinnata | Spanish Needles | Asteraceae |
| Bidens cernua | Nodding Bur-Marigold | Asteraceae |
| Bidens connata | Purple-Stem Beggarticks | Asteraceae |
| Bidens frondosa | Devil's Beggarticks | Asteraceae |
| Bidens polylepis | Long-Bracted Tickseed Sunflower | Asteraceae |
| Bidens tripartita | Strawstem Beggar-Ticks | Asteraceae |
| Blephilia ciliata | Downy Wood Mint | Lamiaceae |
| Blephilia hirsuta | Hairy Wood Mint | Lamiaceae |
| Boechera laevigata | Smooth Rock Cress | Brassicaceae |
| Boehmeria cylindrica | False Nettle | Urticaceae |
| Brassica nigra | Black Mustard | Brassicaceae |
| Brassica rapa | Field Mustard | Brassicaceae |
| Brunnera macrophylla | False Forget-Me-Not | Boraginaceae |
| Callitriche terrestris | Terrestrial Starwort | Callitrichaceae |
| Calylophus serrulatus | Yellow Sundrops | Onagraceae |
| Camassia scilloides | Wild Hyacinth | Asparagaceae |
| Campanula punctata | Cherry Bells | Campanulaceae |
| Campanulastrum americanum | Tall Bellflower | Campanulaceae |
| Canna x generalis | Canna Lily | Cannaceae |
| Capsella bursa-pastoris | Shepherd's Purse | Brassicaceae |
| Cardamine bulbosa | Spring Cress | Brassicaceae |
| Cardamine concatenata | Cutleaf Toothwort | Brassicaceae |
| Cardamine diphylla | Crinkleroot | Brassicaceae |
| Cardamine douglassii | Purple Cress | Brassicaceae |
| Cardamine hirsuta | Hairy Bittercress | Brassicaceae |
| Cardamine pensylvanica | Pennsylvania Bitter Cress | Brassicaceae |
| Carthamus tinctorius | Safflower | Asteraceae |
| Caulophyllum thalictroides | Blue Cohosh | Berberidaceae |
| Centaurea cyanus | Cornflower | Asteraceae |
| Centaurea stoebe | Spotted Knapweed | Asteraceae |
| Cerastium pumilum | European Mouse-Ear Chickweed | Caryophyllaceae |
| Cerastium vulgatum | Mouse-Ear Chickweed | Caryophyllaceae |
| Chaenorhinum minus | Dwarf Snapdragon | Plantaginaceae |
| Chaerophyllum procumbens | Wild Chervil | Apiaceae |
| Chamaecrista fasciculata | Partridge Pea | Fabaceae |
| Chelone glabra | White Turtlehead | Plantaginaceae |
| Chelone obliqua | Red Turtlehead | Plantaginaceae |
| Chenopodium album | Lamb's Quarters | Chenopodiaceae |
| Chionodoxa luciliae | Glory-of-the-Snow | Asparagaceae |
| Chrysanthemum x morifolium | Garden Mum | Asteraceae |
| Cichorium intybus | Chicory | Asteraceae |
| Cicuta maculata | Water Hemlock | Apiaceae |
| Circaea lutetiana | Broadleaf Enchanter's Nightshade | Onagraceae |
| Cirsium arvense | Canada Thistle | Asteraceae |
| Cirsium discolor | Field Thistle | Asteraceae |
| Cirsium vulgare | Bull Thistle | Asteraceae |
| Claytonia virginica | Spring Beauty | Montiaceae |
| Cleome hybrid | Spider Flower | Cleomaceae |
| Colchicum autumnale | Autumn Crocus | Colchicaceae |
| Coleus scutellarioides | Coleus | Lamiaceae |
| Collinsia verna | Blue-Eyed Mary | Plantaginaceae |
| Collinsonia canadensis | Horsebalm | Lamiaceae |
| Commelina communis | Asiatic Dayflower | Commelinaceae |
| Conium maculatum | Poison Hemlock | Apiaceae |
| Conoclinium coelestinum | Mistflower | Asteraceae |
| Conopholis americana | Squawroot | Orobanchaceae |
| Convallaria majalis | Lily of the Valley | Asparagaceae |
| Convallaria majalis var. 'Rosea' | Pink Lily of the Valley | Asparagaceae |
| Conyza canadensis | Horseweed | Asteraceae |
| Corallorhiza wisteriana | Wister's Coralroot | Orchidaceae |
| Coreopsis lanceolata | Lanceleaf Coreopsis | Asteraceae |
| Coreopsis palmata | Prairie Coreopsis | Asteraceae |
| Coreopsis tinctoria | Plains Coreopsis | Asteraceae |
| Coreopsis tripteris | Tall Coreopsis | Asteraceae |
| Coreopsis verticillata | Threadleaf Coreopsis | Asteraceae |
| Corydalis flavula | Yellow Corydalis | Fumariaceae |
| Cosmos bipinnatus | Cosmos | Asteraceae |
| Crocosmia masoniorum | Crocosmia | Iridaceae |
| Crocus vernus | Spring Crocus | Iridaceae |
| Cryptotaenia canadensis | Honewort | Apiaceae |
| Cuphea llavea | Bat-Faced Cuphea | Lythraceae |
| Cymbalaria muralis | Kenilworth ivy | Plantaginaceae |
| Cypripedium calceolus | Yellow Lady's Slipper | Orchidaceae |
| Dasistoma macrophylla | Mullein Foxglove | Scrophulariaceae |
| Datura stramonium | Jimsonweed | Solanaceae |
| Daucus carota | Queen Anne's Lace | Apiaceae |
| Delphinium tricorne | Dwarf Larkspur | Ranunculaceae |
| Desmanthus illinoensis | Prairie Mimosa | Fabaceae |
| Desmodium canadense | Showy Tick Trefoil | Fabaceae |
| Desmodium canescens | Hoary Ticktrefoil | Fabaceae |
| Desmodium cuspidatum | Largebract Ticktrefoil | Fabaceae |
| Desmodium glabellum | Dillen's Tick Trefoil | Fabaceae |
| Desmodium glutinosum | Pointed-Leaved Tick Trefoil | Fabaceae |
| Desmodium nudiflorum | Naked-Flowered Tick Trefoil | Fabaceae |
| Desmodium paniculatum | Panicled Tick Trefoil | Fabaceae |
| Desmodium pauciflorum | Few-Flowered Tick Trefoil | Fabaceae |
| Dianthus armeria | Deptford Pink | Caryophyllaceae |
| Dianthus barbatus | Sweet-William | Caryophyllaceae |
| Dicentra canadensis | Squirrel Corn | Fumariaceae |
| Dicentra cucullaria | Dutchman's Breeches | Fumariaceae |
| Digitalis purpurea | Purple Foxglove | Scrophulariaceae |
| Diodia virginiana | Virginia Buttonweed | Rubiaceae |
| Dipsacus fullonum | Common Teasel | Dipsacaceae |
| Dipsacus laciniatus | Cut-Leaved Teasel | Dipsacaceae |
| Doellingeria umbellata | Parasol Whitetop | Asteraceae |
| Draba verna | Whitlow Grass | Brassicaceae |
| Duchesnea indica | Mock Strawberry | Rosaceae |
| Echinacea purpurea | Purple Coneflower | Asteraceae |
| Eclipta prostrata | False Daisy | Asteraceae |
| Elephantopus carolinianus | Elephant's Foot | Asteraceae |
| Enemion biternatum | False Rue Anemone | Ranunculaceae |
| Epifagus virginiana | Beechdrops | Orobanchaceae |
| Epilobium coloratum | Purple-Leaf Willowherb | Onagraceae |
| Epimedium x rubrum | Red Barrenwort | Berberidaceae |
| Epimedium x versicolor | Barrenwort | Berberidaceae |
| Eranthis hyemalis | Winter Aconite | Ranunculaceae |
| Erechtites hieraciifolius | Pilewort | Asteraceae |
| Erigenia bulbosa | Harbinger-of-Spring | Apiaceae |
| Erigeron annuus | Annual Fleabane | Asteraceae |
| Erigeron philadelphicus | Philadelphia Fleabane | Asteraceae |
| Erigeron strigosus | Daisy Fleabane | Asteraceae |
| Eryngium yuccifolium | Rattlesnake Master | Apiaceae |
| Erythronium albidum | White Trout Lily | Liliaceae |
| Erythronium americanum | Yellow Trout Lily | Liliaceae |
| Eschscholzia californica | California Poppy | Papaveraceae |
| Eupatorium altissimum | Tall Thoroughwort | Asteraceae |
| Eupatorium perfoliatum | Common Boneset | Asteraceae |
| Eupatorium serotinum | Late Thoroughwort | Asteraceae |
| Euphorbia cyparissias | Cypress Spurge | Euphorbiaceae |
| Euphorbia davidii | Toothed Spurge | Euphorbiaceae |
| Euphorbia dulcis 'Chameleon' | Chameleon Spurge | Euphorbiaceae |
| Euphorbia humistrata | Spreading Sandmat | Euphorbiaceae |
| Euphorbia maculata | Spotted Spurge | Euphorbiaceae |
| Euphorbia nutans | Nodding Spurge | Euphorbiaceae |
| Euphorbia prostrata | Prostrate Spurge | Euphorbiaceae |
| Euthamia graminifolia | Grass-Leaved Goldenrod | Asteraceae |
| Eutrochium dubium 'Little Joe' | Dwarf Joe-Pye Weed | Asteraceae |
| Eutrochium fistulosum | Hollow Joe-Pye Weed | Asteraceae |
| Eutrochium maculatum | Spotted Joe-Pye Weed | Asteraceae |
| Eutrochium purpureum | Purple-Node Joe-Pye Weed | Asteraceae |
| Fallopia japonica | Japanese Knotweed | Polygonaceae |
| Fallopia japonica 'Crimson Beauty' | Japanese Knotweed 'Crimson Beautry' | Polygonaceae |
| Fallopia scandens | Climbing False Buckwheat | Polygonaceae |
| Ficaria verna | Lesser Celandine | Ranunculaceae |
| Filipendula rubra | Queen of the Prairie | Rosaceae |
| Filipendula vulgaris | Dropwort | Rosaceae |
| Floerkea proserpinacoides | False Mermaid | Limnanthaceae |
| Fritillaria meleagris | Checkered Lily | Liliaceae |
| Fritillaria verticillata | Fritillary | Liliaceae |
| Gaillardia pulchella | Indian Blanket | Asteraceae |
| Gaillardia x grandiflora | Blanket Flower | Asteraceae |
| Galanthus elwesii | Giant Snowdrop | Amaryllidaceae |
| Galanthus nivalis | Common Snowdrop | Amaryllidaceae |
| Galinsoga parviflora | Quickweed | Asteraceae |
| Galinsoga quadriradiata | Common Quickweed | Asteraceae |
| Galium aparine | Cleavers | Rubiaceae |
| Galium circaezans | Wild Licorice | Rubiaceae |
| Galium concinnum | Shining Bedstraw | Rubiaceae |
| Galium mollugo | False Baby's Breath | Rubiaceae |
| Galium obtusum | Wild Madder | Rubiaceae |
| Galium triflorum | Sweet-Scented Bedstraw | Rubiaceae |
| Galium verum | Yellow Spring Bedstraw | Rubiaceae |
| Gentiana alba | White Gentian | Gentianaceae |
| Geranium carolinianum | Carolina Cranesbill | Geraniaceae |
| Geranium maculatum | Wild Geranium | Geraniaceae |
| Geum canadense | White Avens | Rosaceae |
| Geum vernum | Spring Avens | Rosaceae |
| Glechoma hederacea | Ground Ivy | Lamiaceae |
| Gratiola neglecta | Clammy Hedge-Hyssop | Plantaginaceae |
| Hackelia virginiana | Virginia Stickseed | Boraginaceae |
| Helenium autumnale | Common Sneezeweed | Asteraceae |
| Helianthus annuus | Common Sunflower | Asteraceae |
| Helianthus decapetalus | Thin-Leaved Sunflower | Asteraceae |
| Helianthus divaricatus | Woodland Sunflower | Asteraceae |
| Helianthus giganteus | Giant Sunflower | Asteraceae |
| Helianthus grosseserratus | Sawtooth Sunflower | Asteraceae |
| Helianthus mollis | Ashy Sunflower | Asteraceae |
| Helianthus tuberosus | Jerusalem Artichoke | Asteraceae |
| Heliopsis helianthoides | False Sunflower | Asteraceae |
| Heliotropium arborescens | Heliotrope | Boraginaceae |
| Helleborus orientalis | Lenten Rose | Ranunculaceae |
| Hemerocallis fulva | Orange Daylily | Asphodelaceae |
| Hemerocallis lilioasphodelus | Yellow Daylily | Asphodelaceae |
| Hesperis matronalis | Dame's Rocket | Brassicaceae |
| Heterotheca villosa | Hairy False Goldenaster | Asteraceae |
| Heuchera americana | American Alumroot | Saxifragaceae |
| Heuchera x 'Timeless Glow' | Coral Bells | Saxifragaceae |
| Hibiscus laevis | Halberd-Leaved Rose Mallow | Malvaceae |
| Hibiscus moscheutos | Swamp Rose Mallow | Malvaceae |
| Hibiscus rosa-sinensis | Chinese Hibiscus | Malvaceae |
| Hibiscus trionum | Flower-of-an-Hour | Malvaceae |
| Hibiscus x moscheutos | Fleming's Crown Jewels | Malvaceae |
| Hieracium caespitosum | Yellow King-Devil | Asteraceae |
| Hosta ventricosa | Blue Plantain Lily | Asparagaceae |
| Houstonia purpurea | Large Houstonia | Rubiaceae |
| Houttuynia cordata | Chameleon Plant | Saururaceae |
| Hyacinthoides hispanica | Spanish Bluebell | Asparagaceae |
| Hyacinthoides non-scripta | English Bluebell | Asparagaceae |
| Hyacinthus orientalis | Hyacinth | Asparagaceae |
| Hydrangea arborescens | Wild Hydgrangea | Hydrangeaceae |
| Hydrangea arborescens 'Annabelle' | Smooth Hydrangea | Hydrangeaceae |
| Hydrastis canadensis | Goldenseal | Ranunculaceae |
| Hydrophyllum appendiculatum | Appendaged Waterleaf | Hydrophyllaceae |
| Hydrophyllum canadense | Broadleaf Waterleaf | Hydrophyllaceae |
| Hydrophyllum macrophyllum | Largeleaf Waterleaf | Hydrophyllaceae |
| Hypericum androsaemum | Tutsan | Hypericaceae |
| Hypericum mutilum | Dwarf St. John's Wort | Hypericaceae |
| Hypericum perforatum | Common St. John's Wort | Hypericaceae |
| Hypericum punctatum | Spotted St. John's Wort | Hypericum |
| Hypochaeris radicata | Hairy Cat's Ear | Asteraceae |
| Hypoestes phyllostachya | Freckle Face | Acanthaceae |
| Hypoxis hirsuta | Yellow Stargrass | Hypoxidaceae |
| Impatiens capensis | Spotted Jewelweed | Balsaminaceae |
| Impatiens hawkeri | New Guinea Impatiens | Balsaminaceae |
| Impatiens pallida | Yellow Jewelweed | Balsaminaceae |
| Impatiens walleriana | Impatiens | Balsaminaceae |
| Iodanthus pinnatifidus | Purple Rocket | Brassicaceae |
| Iris cristata | Dwarf Crested Iris | Iridaceae |
| Iris hexagona | Dixie Iris | Iridaceae |
| Iris pseudacorus | Yellow Iris | Iridaceae |
| Iris reticulata | Reticulated Iris | Iridaceae |
| Iris sibirica | Siberian Iris | Iridaceae |
| Iris versicolor | Northern Blue Flag | Iridaceae |
| Iris virginica | Blue Flag Iris | Iridaceae |
| Iris x germanica | Bearded Iris | Iridaceae |
| Jeffersonia diphylla | Twinleaf | Berberidaceae |
| Krigia biflora | Two-Flower Dwarf Dandelion | Asteraceae |
| Kummerowia stipulacea | Korean Clover | Fabaceae |
| Kummerowia striata | Japanese Clover | Fabaceae |
| Lactuca biennis | Tall Blue Lettuce | Asteraceae |
| Lactuca canadensis | Wild Lettuce | Asteraceae |
| Lactuca floridana | Woodland Lettuce | Asteraceae |
| Lactuca saligna | Willowleaf Lettuce | Asteraceae |
| Lactuca serriola | Prickly Lettuce | Asteraceae |
| Lamiastrum galeobdolon | Yellow Archangel | Lamiaceae |
| Lamium album | White Deadnettle | Lamiaceae |
| Lamium amplexicaule | Henbit | Lamiaceae |
| Lamium purpureum | Purple Dead-Nettle | Lamiaceae |
| Lantana camara | Common Lantana | Verbenaceae |
| Laportea canadensis | Wood Nettle | Urticaceae |
| Lapsana communis | Nipplewort | Asteraceae |
| Lathyrus latifolius | Everlasting Pea | Fabaceae |
| Lavandula angustifolia | English Lavender | Lamiaceae |
| Lepidium campestre | Field Pepperweed | Brassicaceae |
| Lepidium virginicum | Common Peppergrass | Brassicaceae |
| Lespedeza capitata | Round-Headed Bush Clover | Fabaceae |
| Lespedeza repens | Creeping Lespedeza | Fabaceae |
| Leucanthemum vulgare | Ox-Eye Daisy | Asteraceae |
| Leucanthemum x superbum | Shasta Daisy | Asteraceae |
| Leucojum aestivum | Summer Snowflake | Amaryllidaceae |
| Leucojum vernum | Spring Snowflake | Amaryllidaceae |
| Leucospora multifida | Narrowleaf Paleseed | Plantaginaceae |
| Liatris aspera | Tall Blazing Star | Asteraceae |
| Liatris ligulistylis | Northern Plains Blazing Star | Asteraceae |
| Liatris spicata | Sessile Blazing Star | Asteraceae |
| Linaria vulgaris | Butter-and-Eggs | Plantaginaceae |
| Linum virginianum | Virginia Yellow Flax | Linaceae |
| Liparis liliifolia | Lily-Leaved Twayblade | Orchidaceae |
| Liriope muscari | Lilyturf | Asparagaceae |
| Lobelia cardinalis | Cardinal Flower | Campanulaceae |
| Lobelia inflata | Indian Tobacco | Campanulaceae |
| Lobelia siphilitica | Great Blue Lobelia | Campanulaceae |
| Lobelia spicata | Pale-Spiked Lobelia | Campanulaceae |
| Lobularia maritima | Sweet Alyssum | Brassicaceae |
| Lotus corniculatus | Birdsfoot Trefoil | Fabaceae |
| Ludwigia alternifolia | Bushy Seedbox | Onagraceae |
| Lycopus americanus | American Water Horehound | Lamiaceae |
| Lycopus virginicus | Virginia Bugleweed | Lamiaceae |
| Lycoris incarnata | Peppermint Surprise Lily | Amaryllidaceae |
| Lycoris squamigera | Naked Ladies | Amaryllidaceae |
| Lysimachia clethroides | Gooseneck Loosestrife | Primulaceae |
| Lysimachia congestiflora 'Outback Sunset' | Golden Globes Loosestrife | Primulaceae |
| Lysimachia nummularia | Moneywort | Primulaceae |
| Lysimachia quadrifolia | Whorled Loosestrife | Primulaceae |
| Lythrum alatum | Winged Loosestrife | Lythraceae |
| Lythrum salicaria | Purple Loosestrife | Lythraceae |
| Maianthemum racemosum | False Solomon's Seal | Asparagaceae |
| Manfreda virginica | False Aloe | Agavaceae |
| Medicago lupulina | Black Medic | Fabaceae |
| Melilotus albus | White Sweet Clover | Fabaceae |
| Melilotus officinalis | Yellow Sweet Clover | Fabaceae |
| Melissa officinalis | Lemon Balm | Lamiaceae |
| Mentha aquatica var. citrata | Orange Mint | Lamiaceae |
| Mentha arvensis | Wild Mint | Lamiaceae |
| Mentha spicata | Spearmint | Lamiaceae |
| Mentha suaveolens | Apple Mint | Lamiaceae |
| Mentha x piperita | Peppermint | Lamiaceae |
| Mertensia virginica | Virginia Bluebells | Boraginaceae |
| Micranthes virginiensis | Early Saxifrage | Saxifragaceae |
| Microthlaspi perfoliatum | Perfoliate Pennycress | Brassicaceae |
| Mimulus alatus | Sharpwing Monkeyflower | Phrymaceae |
| Mimulus ringens | Allegheny Monkeyflower | Phrymaceae |
| Mitella diphylla | Twoleaf Miterwort | Saxifragaceae |
| Mollugo verticillata | Carpetweed | Molluginaceae |
| Monarda citriodora | Lemon Beebalm | Lamiaceae |
| Monarda didyma | Scarlet Beebalm | Lamiaceae |
| Monarda fistulosa | Wild Bergamot | Lamiaceae |
| Monarda media | Purple Bergamot | Lamiaceae |
| Monarda punctata | Spotted Horse Mint | Lamiaceae |
| Monotropa uniflora | Indian Pipe | Monotropaceae |
| Mummenhoffia alliacea | Garlic Pennycress | Brassicaceae |
| Muscari botryoides | Common Grape Hyacinth | Asparagaceae |
| Myosotis verna | Spring Forget-Me-Not | Boraginaceae |
| Napaea dioica | Glade Mallow | Malvaceae |
| Narcissus poeticus | Pheasant's Eye | Amaryllidaceae |
| Narcissus pseudonarcissus | Daffodil | Amaryllidaceae |
| Nectaroscordum siculum | Sicilian Honey Garlic | Amaryllidaceae |
| Nepeta cataria | Catnip | Lamiaceae |
| Nepeta x faassenii | Catmint | Lamiaceae |
| Nigella damascena | Love-in-a-Mist | Ranunculaceae |
| Ocimum basilicum | Basil | Lamiaceae |
| Oenothera biennis | Evening Primrose | Onagraceae |
| Oenothera gaura | Biennial Beeblossom | Onagraceae |
| Oenothera speciosa | Pink Evening Primrose | Onagraceae |
| Orbexilum onobrychis | French-Grass | Fabaceae |
| Origanum vulgare | Oregano | Lamiaceae |
| Origanum vulgare var. 'Aureum' | Golden Oregano | Lamiaceae |
| Ornithogalum nutans | Drooping Star of Bethlehem | Asparagaceae |
| Ornithogalum umbellatum | Star-of-Bethlehem | Asparagaceae |
| Osmorhiza claytonii | Hairy Sweet Cicely | Apiaceae |
| Osmorhiza longistylis | Smoother Sweet Cicely | Apiaceae |
| Oxalis grandis | Great Yellow Woodsorrel | Oxalidaceae |
| Oxalis stricta | Yellow Wood Sorrel | Oxalidaceae |
| Oxalis violacea | Violet Wood Sorrel | Oxalidaceae |
| Pachysandra procumbens | Allegheny Mountain Spurge | Buxaceae |
| Packera aurea | Golden Ragwort | Asteraceae |
| Packera glabella | Butterweed | Asteraceae |
| Packera obovata | Roundleaf Ragwort | Asteraceae |
| Paeonia officinalis | Common Peony | Paeoniaceae |
| Panax quinquefolius | American Ginseng | Araliaceae |
| Papaver rhoeas | Corn Poppy | Papaveraceae |
| Paronychia canadensis | Smooth Forked Nailwort | Caryophyllaceae |
| Paronychia fastigiata | Forked Chickweed | Caryophyllaceae |
| Parthenium integrifolium | Wild Quinine | Asteraceae |
| Passiflora incarnata | Purple Passionflower | Passifloraceae |
| Passiflora lutea | Yellow Passionflower | Passifloraceae |
| Pastinaca sativa | Parsnip | Apiaceae |
| Pelargonium citrosum | Citronella Geranium | Geraniaceae |
| Penstemon digitalis | Foxglove Beardtongue | Scrophulariaceae |
| Penstemon hirsutus | Hairy Beardtongue | Scrophulariaceae |
| Penstemon laevigatus | Smooth Beardtongue | Scrophulariaceae |
| Penthorum sedoides | Ditch Stonecrop | Saxifragaceae |
| Perilla frutescens | Beefsteak Plant | Lamiaceae |
| Perilla frutescens var. crispa | Purple Perilla | Lamiaceae |
| Persicaria hydropiperoides | Mild Waterpepper | Polygonaceae |
| Persicaria lapathifolia | Pale Smartweed | Polygonaceae |
| Persicaria longiseta | Oriental Lady's Thumb | Polygonaceae |
| Persicaria maculosa | Lady's Thumb | Polygonaceae |
| Persicaria pensylvanica | Pinkweed | Polygonaceae |
| Persicaria punctata | Dotted Smartweed | Polygonaceae |
| Persicaria sagittata | Arrowleaf Tearthumb | Polygonaceae |
| Persicaria virginiana | Virginia Knotweed | Polygonaceae |
| Petroselinum crispum | Parsley | Apiaceae |
| Phacelia purshii | Miami Mist | Hydrophyllaceae |
| Phlox divaricata | Wild Blue Phlox | Polemoniaceae |
| Phlox paniculata | Fall Phlox | Polemoniaceae |
| Phlox paniculata 'Jeana' | Garden Phlox | Polemoniaceae |
| Phlox subulata | Moss Phlox | Polemoniaceae |
| Phryma leptostachya | Lopseed | Phrymaceae |
| Phyla lanceolata | Fogfruit | Verbenaceae |
| Physalis heterophylla | Clammy Ground Cherry | Solanaceae |
| Physalis longifolia | Longleaf Ground Cherry | Solanaceae |
| Physalis subglabrata | Smooth Ground Cherry | Solanaceae |
| Physostegia virginiana | Obedient Plant | Lamiaceae |
| Phytolacca americana | Pokeweed | Phytolaccaceae |
| Pilea pumila | Clearweed | Urticaceae |
| Pinellia ternata | Crowdipper | Araceae |
| Plantago lanceolata | English Plantain | Plantaginaceae |
| Plantago major | Broadleaf Plantain | Plantaginaceae |
| Plantago rugelii | Blackseed Plantain | Plantaginaceae |
| Platanthera lacera | Ragged Fringed Orchid | Orchidaceae |
| Podophyllum peltatum | Mayapple | Berberidaceae |
| Polemonium reptans | Jacob's Ladder | Polemoniaceae |
| Polygala sanguinea | Blood Milkwort | Polygalaceae |
| Polygala verticillata | Whorled Milkwort | Polygalaceae |
| Polygonatum biflorum | Smooth Solomon's Seal | Liliaceae |
| Polygonatum biflorum var. commutatum | Giant Solomon's Seal | Asparagaceae |
| Polygonatum odoratum 'Variegatum' | Variegated Solomon's Seal | Asparagaceae |
| Polygonum aviculare | Doorweed | Polygonaceae |
| Polymnia canadensis | Small-Flowered Leafcup | Asteraceae |
| Portulaca oleracea | Common Purslane | Portulacaceae |
| Potentilla norvegica | Rough Cinquefoil | Rosaceae |
| Potentilla recta | Sulphur Cinquefoil | Rosaceae |
| Potentilla simplex | Common Cinquefoil | Rosaceae |
| Prenanthes alba | White Lettuce | Asteraceae |
| Prenanthes altissima | Tall Rattlesnakeroot | Asteraceae |
| Prenanthes crepidinea | Nodding Rattlesnakeroot | Asteraceae |
| Primula meadia | Shooting Star | Primulaceae |
| Prunella vulgaris | Heal-All | Lamiaceae |
| Pulmonaria officinalis | Lungwort | Boraginaceae |
| Puschkinia scilloides | Striped Squill | Asparagaceae |
| Pycnanthemum muticum | Clustered Mountainmint | Lamiaceae
|
| Pycnanthemum tenuifolium | Narrowleaf Mountainmint | Lamiaceae |
| Pycnanthemum verticillatum | Hairy Mountain Mint | Lamiaceae |
| Pycnanthemum virginianum | Virginia Mountainmint | Lamiaceae |
| Ranunculus abortivus | Kidney-Leaved Crowfoot | Ranunculaceae |
| Ranunculus bulbosus | Bulbous Buttercup | Ranunculaceae |
| Ranunculus hispidus | Swamp Buttercup | Ranunculaceae |
| Ranunculus micranthus | Rock Buttercup | Ranunculaceae |
| Ranunculus recurvatus | Hooked Crowfoot | Ranunculaceae |
| Ranunculus repens | Creeping Buttercup | Ranunculaceae |
| Ranunculus sardous | Hairy Buttercup | Ranunculaceae |
| Ratibida pinnata | Gray-Headed Coneflower | Asteraceae |
| Rorippa sylvestris | Creeping Yellow Cress | Brassicaceae |
| Rotala ramosior | Toothcup | Lythraceae |
| Rudbeckia hirta | Black-Eyed Susan | Asteraceae |
| Rudbeckia laciniata | Green-Headed Coneflower | Asteraceae |
| Rudbeckia subtomentosa | Sweet Black-Eyed Susan | Asteraceae |
| Rudbeckia triloba | Brown-Eyed Susan | Asteraceae |
| Ruellia strepens | Smooth Wild Petunia | Acanthaceae |
| Rumex crispus | Curly Dock | Polygonaceae |
| Rumex obtusifolius | Broadleaf Dock | Polygonaceae |
| Sabatia angularis | Rosepink | Gentianaceae |
| Salvia elegans | Pineapple Sage | Lamiaceae |
| Salvia lyrata | Lyreleaf Sage | Lamiaceae |
| Salvia officinalis | Common Sage | Lamiaceae |
| Salvia rosmarinus | Rosemary | Lamiaceae |
| Sanguinaria canadensis | Bloodroot | Papaveraceae |
| Sanicula canadensis | Canadian Black Snakeroot | Apiaceae |
| Sanicula odorata | Clustered Black Snakeroot | Apiaceae |
| Sanicula trifoliata | Beaked Snakeroot | Apiaceae |
| Saponaria officinalis | Bouncing Bet | Caryophyllaceae |
| Scilla siberica | Siberian Squill | Asparagaceae |
| Scrophularia marilandica | Carpenter's Square | Scrophulariaceae |
| Scutellaria incana | Downy Skullcap | Lamiaceae |
| Scutellaria lateriflora | Mad-Dog Skullcap | Lamiaceae |
| Scutellaria ovata | Heartleaf Skullcap | Lamiaceae |
| Sedum sarmentosum | Stringy Stonecrop | Crassulaceae |
| Sedum ternatum | Wild Stonecrop | Crassulaceae |
| Sempervivum tectorum | Hens and Chicks | Crassulaceae |
| Senecio vulgaris | Common Groundsel | Asteraceae |
| Senna hebecarpa | Northern Wild Senna | Fabaceae |
| Senna marilandica | Southern Wild Senna | Fabaceae |
| Sida spinosa | Prickly Mallow | Malvaceae |
| Silene coronaria | Rose Campion | Caryophyllaceae |
| Silene latifolia | White Campion | Caryophyllaceae |
| Silene noctiflora | Night-Flowering Catchfly | Caryophyllaceae |
| Silene regia | Royal Catchfly | Caryophyllaceae |
| Silene stellata | Starry Campion | Caryophyllaceae |
| Silene virginica | Fire Pink | Caryophyllaceae |
| Silphium integrifolium | Wholeleaf Rosinweed | Asteraceae |
| Silphium laciniatum | Compass Plant | Asteraceae |
| Silphium perfoliatum | Cup Plant | Asteraceae |
| Silphium terebinthinaceum | Prairie Dock | Asteraceae |
| Silphium trifoliatum | Whorled Rosinweed | Asteraceae |
| Sisyrinchium angustifolium | Blue-Eyed Grass | Iridaceae |
| Smallanthus uvedalia | Yellow Flower Leafcup | Asteraceae |
| Smilax ecirrhata | Upright Carrion Flower | Smilacaceae |
| Solanum carolinense | Horsenettle | Solanaceae |
| Solanum lycopersicum | Garden Tomato | Solanaceae |
| Solanum nigrum | Black Nightshade | Solanaceae |
| Solidago altissima | Tall Goldenrod | Asteraceae |
| Solidago caesia | Blue-Stemmed Goldenrod | Asteraceae |
| Solidago canadensis | Canada Goldenrod | Asteraceae |
| Solidago flexicaulis | Zigzag Goldenrod | Asteraceae |
| Solidago nemoralis | Gray Goldenrod | Asteraceae |
| Solidago odora | Sweet Goldenrod | Asteraceae |
| Solidago riddellii | Riddell's Goldenrod | Asteraceae |
| Solidago rigida | Stiff Goldenrod | Asteraceae |
| Solidago speciosa | Showy Goldenrod | Asteraceae |
| Solidago ulmifolia | Elmleaf Goldenrod | Asteraceae |
| Sonchus arvensis | Perennial Sowthistle | Asteraceae |
| Sonchus asper | Prickly Sowthistle | Asteraceae |
| Spiranthes cernua | Nodding Ladies' Tresses | Orchidaceae |
| Spiranthes ovalis | Lesser Ladies' Tresses | Orchidaceae |
| Stachys byzantina | Lamb's Ear | Lamiaceae |
| Stachys cordata | Heartleaf Hedgenettle | Lamiaceae |
| Stachys tenuifolia | Smooth Hedgenettle | Lamiaceae |
| Stellaria media | Common Chickweed | Caryophyllaceae |
| Stellaria pubera | Star Chickweed | Caryophyllaceae |
| Sternbergia fischeriana | Spring Sternbergia | Amaryllidaceae |
| Stevia rebaudiana | Sweetleaf | Asteraceae |
| Strophostyles helvola | Trailing Fuzzy-Bean | Fabaceae |
| Stylophorum diphyllum | Celandine Poppy | Papaveraceae |
| Symphyotrichum cordifolium | Heart-Leaved Aster | Asteraceae |
| Symphyotrichum laeve | Smooth Blue Aster | Asteraceae |
| Symphyotrichum lanceolatum | White Panicle Aster | Asteraceae |
| Symphyotrichum lanceolatum var. latifolium | Broadleaf Panicled Aster | Asteraceae |
| Symphyotrichum lateriflorum | Calico Aster | Asteraceae |
| Symphyotrichum novae-angliae | New England Aster | Asteraceae |
| Symphyotrichum pilosum | Frost Aster | Asteraceae |
| Symphyotrichum prenanthoides | Crooked Aster | Asteraceae |
| Symphyotrichum racemosum | Small White Aster | Asteraceae |
| Symphyotrichum shortii | Short's Aster | Asteraceae |
| Symphyotrichum urophyllum | Arrow-Leaved Aster | Asteraceae |
| Symphytum officinale | Comfrey | Boraginaceae |
| Symplocarpus foetidus | Skunk Cabbage | Araceae |
| Synandra hispidula | Guyandotte Beauty | Lamiaceae |
| Taenidia integerrima | Yellow Pimpernel | Apiaceae |
| Tagetes minuta | Marigold | Asteraceae |
| Tanacetum parthenium | Feverfew | Asteraceae |
| Tanacetum vulgare | Tansy | Asteraceae |
| Taraxacum officinale | Dandelion | Asteraceae |
| Teucrium canadense | American Germander | Lamiaceae |
| Thalictrum dioicum | Early Meadow Rue | Ranunculaceae |
| Thalictrum pubescens | Tall Meadow Rue | Ranunculaceae |
| Thalictrum thalictroides | Rue Anemone | Ranunculaceae |
| Thermopsis villosa | Blue-Ridge Buckbean | Fabaceae |
| Thymus vulgaris | English Thyme | Lamiaceae |
| Tiarella cordifolia | Heartleaf Foamflower | Saxifragaceae |
| Tipularia discolor | Cranefly Orchid | Orchidaceae |
| Tithonia rotundifolia | Mexican Sunflower | Asteraceae |
| Torenia fournieri | Wishbone Flower | Linderniaceae |
| Torilis japonica | Japanese Hedge Parsley | Apiaceae |
| Tradescantia ohiensis | Ohio Spiderwort | Commelinaceae |
| Tradescantia subaspera | Zigzag Spiderwort | Commelinaceae |
| Tradescantia virginiana | Virginia Spiderwort | Commelinaceae |
| Tragopogon dubius | Yellow Goatsbeard | Asteraceae |
| Trifolium campestre | Low Hop Clover | Fabaceae |
| Trifolium dubium | Lesser Hop Trefoil | Fabaceae |
| Trifolium hybridum | Alsike Clover | Fabaceae |
| Trifolium incarnatum | Crimson Clover | Fabaceae |
| Trifolium pratense | Red Clover | Fabaceae |
| Trifolium repens | White Clover | Fabaceae |
| Trifolium stoloniferum | Running Buffalo Clover | Fabaceae |
| Trillium flexipes | Bent Trillium | Melanthiaceae |
| Trillium grandiflorum | Large-Flowered Trillium | Melanthiaceae |
| Trillium luteum | Yellow Trillium | Melanthiaceae |
| Trillium nivale | Snow Trillium | Melanthiaceae |
| Trillium recurvatum | Prairie Trillium | Melanthiaceae |
| Trillium sessile | Sessile Trillium | Melanthiaceae |
| Triodanis perfoliata | Venus' Looking Glass | Campanulaceae |
| Tussilago farfara | Coltsfoot | Asteraceae |
| Typha x glauca | Hybrid Cattail | Typhaceae |
| Uvularia grandiflora | Large-Flowered Bellwort | Colchicaceae |
| Uvularia perfoliata | Perfoliate Bellwort | Colchicaceae |
| Valeriana pauciflora | Large-Flowered Valerian | Valerianaceae |
| Valerianella locusta | European Corn Salad | Valerianaceae |
| Valerianella radiata | Beaked Cornsalad | Valerianaceae |
| Valerianella umbilicata | Northern Corn Salad | Valerianaceae |
| Verbascum blattaria | Moth Mullein | Scrophulariaceae |
| Verbascum thapsus | Common Mullein | Scrophulariaceae |
| Verbena bonariensis | Purpletop Vervain | Verbenaceae |
| Verbena hastata | Blue Vervain | Verbenaceae |
| Verbena urticifolia | White Vervain | Verbenaceae |
| Verbesina alternifolia | Wingstem | Asteraceae |
| Vernonia gigantea | Tall Ironweed | Asteraceae |
| Veronica arvensis | Corn Speedwell | Scrophulariaceae |
| Veronica chamaedrys | Germander Speedwell | Plantaginaceae |
| Veronica hederifolia | Ivy-Leaved Speedwell | Plantaginaceae |
| Veronica officinalis | Common Speedwell | Plantaginaceae |
| Veronica peregrina | Purslane Speedwell | Scrophulariaceae |
| Veronica persica | Persian Speedwell | Scrophulariaceae |
| Veronica serpyllifolia | Thyme-Leaved Speedwell | Scrophulariaceae |
| Veronica sublobata | Pink Ivy-Leaved Speedwell | Plantaginaceae |
| Veronicastrum virginicum | Culver's Root | Plantaginaceae |
| Viburnum sieboldii | Siebold Viburnum | Adoxaceae |
| Vicia cracca | Bird Vetch | Fabaceae |
| Viola arvensis | European Field Pansy | Violaceae |
| Viola canadensis | Canadian White Violet | Violaceae |
| Viola pubescens | Yellow Violet | Violaceae |
| Viola pubescens var. scabriuscula | Smooth Yellow Violet | Violaceae |
| Viola sororia | Common Blue Violet | Violaceae |
| Viola sororia f. priceana | Confederate Violet | Violaceae |
| Viola striata | Striped Cream Violet | Violaceae |
| Viola x wittrockiana | Garden Pansy | Violaceae |
| Xanthium strumarium | Common Cocklebur | Asteraceae |
| Xanthorhiza simplicissima | Yellowroot | Ranunculaceae |
| Youngia japonica | Tall False Hawksbeard | Asteraceae |
| Yucca filamentosa | Adam's Needle | Asparagaceae |
| Zinnia violacea | Zinnia | Asteraceae |
| Zizia aurea | Golden Alexanders | Apiaceae |