| absinth wormwood |
Artemisia absinthium |
8 |
| alligatorweed |
Alternanthera philoxeroides |
24 |
| American bellflower |
Campanulastrum americanum |
4 |
| American germander |
Teucrium canadense |
3 |
| American searocket |
Cakile edentula |
9 |
| annual sowthistle |
Sonchus oleraceus |
11 |
| arrowleaf balsamroot |
Balsamorhiza sagittata |
4 |
| Asiatic dayflower |
Commelina communis |
2 |
| Atamasco lily |
Zephyranthes atamasca |
2 |
| Atlantic camas |
Camassia scilloides |
6 |
| birdsfoot trefoil |
Lotus corniculatus |
2 |
| black-eyed susan |
Rudbeckia hirta |
10 |
| blackberry lily |
Belamcanda chinensis |
8 |
| bladder campion |
Silene latifolia ssp. alba |
2 |
| bloodroot |
Sanguinaria canadensis |
9 |
| bloody butcher |
Trillium recurvatum |
7 |
| blueflower butterwort |
Pinguicula caerulea |
2 |
| Brazilian vervain |
Verbena incompta |
2 |
| broadleaf plantain |
Plantago major |
2 |
| buckhorn plantain |
Plantago lanceolata |
5 |
| bulblet bladderfern |
Cystopteris bulbifera |
4 |
| bull thistle |
Cirsium vulgare |
6 |
| bursting-heart |
Euonymus americanus |
5 |
| butterfly milkweed |
Asclepias tuberosa |
13 |
| button snakeroot |
Eryngium yuccifolium |
3 |
| Canada thistle |
Cirsium arvense |
6 |
| Canadian wildginger |
Asarum canadense |
7 |
| Canadian woodnettle |
Laportea canadensis |
1 |
| Carolina geranium |
Geranium carolinianum |
13 |
| Carolina spiderlily |
Hymenocallis caroliniana |
5 |
| catchweed bedstraw |
Galium aparine |
6 |
| celandine poppy |
Stylophorum diphyllum |
9 |
| chicory |
Cichorium intybus |
7 |
| Chinese yam |
Dioscorea polystachya |
33 |
| climbing hempweed |
Mikania scandens |
6 |
| coco yam, wild taro |
Colocasia esculenta |
6 |
| coltsfoot |
Tussilago farfara |
6 |
| common blue violet |
Viola sororia |
1 |
| common cattail |
Typha latifolia |
4 |
| common milkweed |
Asclepias syriaca |
1 |
| common mullein |
Verbascum thapsus |
17 |
| common pokeweed |
Phytolacca americana |
10 |
| common spiderwort |
Tradescantia ohiensis |
9 |
| common teasel |
Dipsacus fullonum |
12 |
| common yarrow |
Achillea millefolium |
2 |
| cressleaf groundsel |
Packera glabella |
1 |
| crimson clover |
Trifolium incarnatum |
1 |
| crownvetch |
Securigera varia |
2 |
| curlycup gumweed |
Grindelia squarrosa |
3 |
| curlyleaf pondweed |
Potamogeton crispus |
11 |
| cutleaf coneflower |
Rudbeckia laciniata |
5 |
| cutleaf teasel |
Dipsacus laciniatus |
21 |
| cutleaf toothwort |
Cardamine concatenata |
6 |
| dandelion |
Taraxacum officinale |
6 |
| deer fern |
Blechnum spicant |
3 |
| Deptford pink |
Dianthus armeria |
1 |
| dog-strangling vine, European swallowwort |
Cynanchum rossicum |
7 |
| dogfennel |
Eupatorium capillifolium |
4 |
| dollarleaf |
Rhynchosia reniformis |
4 |
| downy phlox |
Phlox pilosa |
10 |
| downy rattlesnake plantain |
Goodyera pubescens |
5 |
| dutchman's breeches |
Dicentra cucullaria |
16 |
| dwarf crested iris |
Iris cristata |
2 |
| dwarf larkspur |
Delphinium tricorne |
7 |
| dwarf palmetto |
Sabal minor |
9 |
| eastern beebalm |
Monarda bradburiana |
1 |
| eastern coralbean |
Erythrina herbacea |
3 |
| eastern false rue anemone |
Enemion biternatum |
10 |
| eastern whorled milkweed |
Asclepias verticillata |
7 |
| English daisy |
Bellis perennis |
2 |
| Eurasian watermilfoil |
Myriophyllum spicatum |
15 |
| European pepperwort |
Marsilea quadrifolia |
3 |
| false garlic |
Nothoscordum bivalve |
2 |
| field bindweed |
Convolvulus arvensis |
2 |
| field pansy |
Viola bicolor |
2 |
| field pennycress |
Thlaspi arvense |
1 |
| field speedwell |
Veronica agrestis |
2 |
| field thistle |
Cirsium discolor |
8 |
| fire pink |
Silene virginica |
9 |
| floating pennywort |
Hydrocotyle ranunculoides |
1 |
| fourleaf milkweed |
Asclepias quadrifolia |
10 |
| fourleaf yam |
Dioscorea quaternata |
1 |
| French's shootingstar |
Dodecatheon frenchii |
15 |
| garlic mustard |
Alliaria petiolata |
68 |
| giant ragweed |
Ambrosia trifida |
3 |
| giant reed |
Arundo donax |
7 |
| golden ragwort |
Packera aurea |
5 |
| goldenseal |
Hydrastis canadensis |
11 |
| gopherweed |
Baptisia lanceolata |
7 |
| gravelweed |
Verbesina helianthoides |
6 |
| great blue lobelia |
Lobelia siphilitica |
1 |
| great waterleaf |
Hydrophyllum appendiculatum |
3 |
| Greek valerian |
Polemonium reptans |
2 |
| green dragon |
Arisaema dracontium |
2 |
| green false-hellebore |
Veratrum viride |
1 |
| groovestem Indian plantain |
Arnoglossum plantagineum |
3 |
| ground ivy |
Glechoma hederacea |
2 |
| Guyandotte beauty |
Synandra hispidula |
5 |
| hairy bittercress |
Cardamine hirsuta |
1 |
| hairy chaffhead |
Carphephorus paniculatus |
2 |
| hairy false goldenaster |
Heterotheca villosa var. villosa |
5 |
| hairy forked nailwort |
Paronychia fastigiata |
3 |
| hairy lespedeza |
Lespedeza hirta |
9 |
| hairy lipfern |
Cheilanthes lanosa |
3 |
| harbinger of spring |
Erigenia bulbosa |
7 |
| hay-scented fern |
Dennstaedtia punctilobula |
1 |
| healall |
Prunella vulgaris |
1 |
| heartleaf foamflower |
Tiarella cordifolia |
3 |
| helmet flower |
Scutellaria integrifolia |
8 |
| hemp dogbane |
Apocynum cannabinum |
10 |
| henbit |
Lamium amplexicaule |
2 |
| hoary cress |
Lepidium draba |
17 |
| hoary vervain |
Verbena stricta |
2 |
| hooded pitcherplant |
Sarracenia minor |
15 |
| horsemint |
Blephilia ciliata |
1 |
| horseweed |
Conyza canadensis |
1 |
| hydrilla |
Hydrilla verticillata |
3 |
| Illinois bundleflower |
Desmanthus illinoensis |
7 |
| Indian pink |
Spigelia marilandica |
2 |
| Indianpipe |
Monotropa uniflora |
18 |
| Jack in the pulpit |
Arisaema triphyllum |
2 |
| Japanese chaff flower |
Achyranthes japonica |
77 |
| Japanese hedgeparsley |
Torilis japonica |
7 |
| Japanese knotweed |
Fallopia japonica |
27 |
| jewelweed |
Impatiens capensis |
6 |
| jimsonweed |
Datura stramonium |
8 |
| lambsquarters |
Chenopodium album |
2 |
| lanceleaf blanketflower |
Gaillardia aestivalis |
3 |
| largeflower bellwort |
Uvularia grandiflora |
7 |
| largeflower valerian |
Valeriana pauciflora |
5 |
| leadplant |
Amorpha canescens |
4 |
| leafy spurge |
Euphorbia esula |
10 |
| licorice fern |
Polypodium glycyrrhiza |
4 |
| littleflower alumroot |
Heuchera parviflora |
7 |
| littleleaf alumroot |
Heuchera parvifolia |
2 |
| lizardstail |
Saururus cernuus |
7 |
| longleaf summer bluet |
Houstonia longifolia |
4 |
| longspur violet |
Viola rostrata |
2 |
| longstyle sweetroot |
Osmorhiza longistylis |
2 |
| meadowbeauty |
Rhexia virginica |
11 |
| Mexican mosquitofern |
Azolla mexicana |
3 |
| Miami mist |
Phacelia purshii |
3 |
| moneywort |
Lysimachia nummularia |
5 |
| moss vervain |
Glandularia pulchella |
2 |
| motherwort |
Leonurus cardiaca |
5 |
| mountain woodsorrel |
Oxalis montana |
1 |
| mullein foxglove |
Dasistoma macrophylla |
5 |
| musk okra |
Abelmoschus moschatus |
13 |
| musk thistle |
Carduus nutans |
5 |
| narrowleaf mountainmint |
Pycnanthemum tenuifolium |
4 |
| narrowleaf spring-beauty |
Claytonia virginica |
10 |
| northern fogfruit |
Phyla lanceolata |
4 |
| orange coneflower |
Rudbeckia fulgida |
9 |
| orange milkwort |
Polygala lutea |
4 |
| Oriental lady's thumb |
Persicaria longiseta |
1 |
| oxeye daisy |
Leucanthemum vulgare |
3 |
| Pacific trillium |
Trillium ovatum |
5 |
| pale echinacea |
Echinacea pallida |
4 |
| pale touch-me-not |
Impatiens pallida |
2 |
| parrot pitcherplant |
Sarracenia psittacina |
7 |
| Pennsylvania bittercress |
Cardamine pensylvanica |
2 |
| perilla mint |
Perilla frutescens |
15 |
| pickerelweed |
Pontederia cordata |
4 |
| pink sundew |
Drosera capillaris |
5 |
| pitted morningglory |
Ipomoea lacunosa |
4 |
| plantainleaf pussytoes |
Antennaria plantaginifolia |
3 |
| poison-hemlock |
Conium maculatum |
6 |
| pride of Ohio |
Dodecatheon meadia |
17 |
| purple deadnettle |
Lamium purpureum |
6 |
| purple elephant's-foot |
Elephantopus nudatus |
1 |
| purple meadowparsnip |
Thaspium trifoliatum |
5 |
| purple milkweed |
Asclepias purpurascens |
2 |
| Queen Anne's lace, wild carrot |
Daucus carota |
20 |
| rattlesnake fern |
Botrychium virginianum |
2 |
| rayless sunflower |
Helianthus radula |
4 |
| red clover |
Trifolium pratense |
2 |
| red columbine |
Aquilegia canadensis |
3 |
| red trillium |
Trillium erectum |
4 |
| rose rush |
Lygodesmia aphylla |
2 |
| rosepink |
Sabatia angularis |
6 |
| roundhead lespedeza |
Lespedeza capitata |
8 |
| roundleaf bluet |
Houstonia procumbens |
4 |
| Sampson's snakeroot |
Orbexilum pedunculatum |
3 |
| savannah meadowbeauty |
Rhexia alifanus |
5 |
| seaside brookweed |
Samolus valerandi |
3 |
| sericea lespedeza |
Lespedeza cuneata |
26 |
| sharp-lobed hepatica |
Hepatica nobilis var. acuta |
4 |
| shepherd's-purse |
Capsella bursa-pastoris |
3 |
| shortleaf rose gentian |
Sabatia brevifolia |
5 |
| showy evening-primrose |
Oenothera speciosa |
2 |
| showy orchid |
Galearis spectabilis |
5 |
| shrubby lespedeza |
Lespedeza bicolor |
9 |
| sicklepod |
Senna obtusifolia |
3 |
| sickletop lousewort |
Pedicularis racemosa |
2 |
| sidebeak pencilflower |
Stylosanthes biflora |
2 |
| silk-grass |
Pityopsis graminifolia |
5 |
| slender rose gentian |
Sabatia campanulata |
2 |
| small broomrape |
Orobanche minor |
19 |
| Small's skullcap |
Scutellaria multiglandulosa |
6 |
| smallspike false nettle |
Boehmeria cylindrica |
5 |
| smooth Solomon's seal |
Polygonatum biflorum |
1 |
| snakemouth orchid |
Pogonia ophioglossoides |
1 |
| snow-on-the-mountain |
Euphorbia marginata |
3 |
| soft thistle |
Cirsium carolinianum |
4 |
| spiny amaranth |
Amaranthus spinosus |
7 |
| spiny sowthistle |
Sonchus asper |
3 |
| spotted knapweed |
Centaurea stoebe ssp. micranthos |
3 |
| spotted waterhemlock |
Cicuta maculata |
5 |
| spotted wintergreen |
Chimaphila maculata |
1 |
| spring blue eyed Mary |
Collinsia verna |
4 |
| squirrel corn |
Dicentra canadensis |
10 |
| St. Andrew's cross |
Hypericum hypericoides |
1 |
| St. Peterswort |
Hypericum crux-andreae |
6 |
| star chickweed |
Stellaria pubera |
3 |
| star-of-Bethlehem |
Ornithogalum umbellatum |
3 |
| sticky chickweed |
Cerastium glomeratum |
2 |
| stiff tickseed |
Coreopsis palmata |
3 |
| striped gentian |
Gentiana villosa |
2 |
| sweet joepyeweed |
Eupatorium purpureum |
5 |
| sweet white violet |
Viola blanda |
3 |
| tall meadow-rue |
Thalictrum pubescens |
5 |
| tall morningglory |
Ipomoea purpurea |
4 |
| tenangle pipewort |
Eriocaulon decangulare |
2 |
| tiger lily |
Lilium lancifolium |
7 |
| tiny bluet |
Houstonia pusilla |
2 |
| trailing pearlwort |
Sagina decumbens |
2 |
| tuberous grasspink |
Calopogon tuberosus var. tuberosus |
2 |
| twoflower dwarfdandelion |
Krigia biflora |
2 |
| twoleaf miterwort |
Mitella diphylla |
5 |
| vanilla leaf |
Achlys triphylla |
1 |
| vanillaleaf |
Carphephorus odoratissimus |
11 |
| violet woodsorrel |
Oxalis violacea |
5 |
| Virginia bluebells |
Mertensia virginica |
2 |
| Virginia copperleaf |
Acalypha virginica |
4 |
| Virginia iris |
Iris virginica |
5 |
| wayside speedwell |
Veronica polita |
3 |
| white baneberry |
Actaea pachypoda |
8 |
| white clover |
Trifolium repens |
11 |
| white trillium |
Trillium grandiflorum |
9 |
| whitehead bogbutton |
Lachnocaulon anceps |
3 |
| wild comfrey |
Cynoglossum virginianum |
1 |
| wild parsnip |
Pastinaca sativa |
2 |
| wild yam |
Dioscorea villosa |
2 |
| winged yam |
Dioscorea alata |
22 |
| wood wakerobin |
Trillium viride |
5 |
| woodland stonecrop |
Sedum ternatum |
4 |
| woolly plantain |
Plantago patagonica |
1 |
| yellow fringed orchid |
Platanthera ciliaris |
6 |
| yellow fumewort |
Corydalis flavula |
1 |
| yellow pitcherplant |
Sarracenia flava |
16 |
| yellow sweetclover |
Melilotus officinalis |
5 |
| yellow thistle |
Cirsium horridulum |
2 |
| yellow trout lily |
Erythronium americanum |
15 |
