| alfalfa |
Medicago spp. |
3 |
| American alpine speedwell |
Veronica wormskjoldii |
1 |
| American beautyberry |
Callicarpa americana |
5 |
| American black nightshade |
Solanum americanum |
2 |
| American germander |
Teucrium canadense |
2 |
| American lopseed |
Phryma leptostachya |
1 |
| American snowbell |
Styrax americanus |
4 |
| American squawroot |
Conopholis americana |
4 |
| American star-thistle |
Centaurea americana |
4 |
| American waterwillow |
Justicia americana |
3 |
| American white waterlily |
Nymphaea odorata ssp. odorata |
1 |
| Amur peppervine |
Ampelopsis brevipedunculata |
1 |
| annual yellow sweetclover |
Melilotus indicus |
3 |
| antelopehorns |
Asclepias asperula ssp. capricornu |
1 |
| Asiatic bellflower |
Wahlenbergia marginata |
1 |
| Atlantic poison-oak |
Toxicodendron pubescens |
1 |
| beach false foxglove |
Agalinis fasciculata |
1 |
| beehive cactus |
Coryphantha spp. |
2 |
| big floatingheart |
Nymphoides aquatica |
7 |
| big periwinkle |
Vinca major |
1 |
| bigpod sesbania |
Sesbania herbacea |
3 |
| birdfoot violet |
Viola pedata |
2 |
| black cohosh |
Actaea racemosa var. racemosa |
2 |
| black medic |
Medicago lupulina |
2 |
| black prairie clover |
Dalea frutescens |
1 |
| blisterwort |
Ranunculus recurvatus |
2 |
| blue mistflower |
Conoclinium coelestinum |
8 |
| blueflower butterwort |
Pinguicula caerulea |
3 |
| blueflower eryngo |
Eryngium integrifolium |
9 |
| boxwood |
Buxus spp. |
3 |
| Brazilian vervain |
Verbena incompta |
4 |
| buffalobur |
Solanum rostratum |
1 |
| bulbous bittercress |
Cardamine bulbosa |
3 |
| bullnettle |
Cnidoscolus stimulosus |
4 |
| bunchleaf penstemon |
Penstemon heterophyllus |
1 |
| bursting-heart |
Euonymus americanus |
6 |
| bushy waterprimrose |
Ludwigia alternifolia |
2 |
| butterfly milkweed |
Asclepias tuberosa |
9 |
| button snakeroot |
Eryngium yuccifolium |
3 |
| Canadian lousewort |
Pedicularis canadensis |
3 |
| Canadian wildginger |
Asarum canadense |
3 |
| candyroot |
Polygala nana |
4 |
| Carolina frostweed |
Helianthemum carolinianum |
3 |
| Carolina horsenettle |
Solanum carolinense var. carolinense |
2 |
| Carolina laurel |
Kalmia carolina |
4 |
| Chickasaw plum |
Prunus angustifolia |
1 |
| Chinese privet |
Ligustrum sinense |
1 |
| Chinese wisteria |
Wisteria sinensis |
1 |
| climbing aster |
Ampelaster carolinianus |
15 |
| climbing hempweed |
Mikania scandens |
1 |
| clustered bushmint |
Hyptis alata |
1 |
| coastal indigo |
Indigofera miniata |
1 |
| coastal plain honeycombhead |
Balduina angustifolia |
6 |
| coastal plain pennywort |
Hydrocotyle bonariensis |
4 |
| coastal plain St. Johnswort |
Hypericum brachyphyllum |
5 |
| coastal sweetpepperbush |
Clethra alnifolia |
4 |
| common blue violet |
Viola sororia |
6 |
| common chickweed |
Stellaria pallida |
1 |
| common evening-primrose |
Oenothera biennis |
1 |
| common hop |
Humulus lupulus |
1 |
| common milkweed |
Asclepias syriaca |
2 |
| common mullein |
Verbascum thapsus |
6 |
| common pokeweed |
Phytolacca americana |
2 |
| common sunflower |
Helianthus annuus |
1 |
| common sweetleaf |
Symplocos tinctoria |
2 |
| compact prairie clover |
Dalea compacta |
2 |
| coral ardisia |
Ardisia crenata |
1 |
| cotton |
Gossypium hirsutum |
2 |
| creeping cucumber |
Melothria pendula |
4 |
| creeping lespedeza |
Lespedeza repens |
2 |
| crimson bottlebrush |
Callistemon citrinus |
1 |
| crimson clover |
Trifolium incarnatum |
1 |
| cutleaf evening-primrose |
Oenothera laciniata |
2 |
| cypressvine morningglory |
Ipomoea quamoclit |
2 |
| Dakota vervain |
Glandularia bipinnatifida |
1 |
| dodder |
Cuscuta spp. |
10 |
| dollarleaf |
Rhynchosia reniformis |
3 |
| downy yellow violet |
Viola pubescens |
1 |
| drug fumitory |
Fumaria officinalis |
2 |
| drumheads |
Polygala cruciata |
3 |
| dwarf cinquefoil |
Potentilla canadensis |
1 |
| dwarf hawthorn |
Crataegus uniflora |
1 |
| dwarf sumac |
Rhus copallinum |
4 |
| dwarf sundew |
Drosera brevifolia |
4 |
| dwarf witchalder |
Fothergilla gardenii |
4 |
| early blue violet |
Viola palmata |
8 |
| eastern baccharis |
Baccharis halimifolia |
11 |
| eastern milkpea |
Galactia regularis |
3 |
| eastern poison-ivy |
Toxicodendron radicans |
4 |
| eastern sweetshrub |
Calycanthus floridus |
3 |
| elephantsfoot |
Elephantopus spp. |
1 |
| elephantsfoot |
Elephantopus tomentosus |
3 |
| elf orpine |
Diamorpha smallii |
5 |
| eltrot |
Heracleum sphondylium |
2 |
| English ivy |
Hedera helix |
1 |
| English lavender |
Lavandula angustifolia |
2 |
| erect centella |
Centella erecta |
2 |
| false flowering spurge |
Euphorbia pubentissima |
1 |
| flame azalea |
Rhododendron calendulaceum |
1 |
| flaxleaf false foxglove |
Agalinis linifolia |
4 |
| Florida anisetree |
Illicium floridanum |
1 |
| Florida betony |
Stachys floridana |
1 |
| Florida bluehearts |
Buchnera floridana |
1 |
| Florida hobblebush |
Agarista populifolia |
2 |
| Florida pusley |
Richardia scabra |
4 |
| forked bluecurls |
Trichostema dichotomum |
2 |
| fragrant sumac |
Rhus aromatica |
1 |
| fragrant waterlily |
Nymphaea odorata |
3 |
| French lavender |
Lavandula stoechas |
1 |
| fringed bluestar |
Amsonia ciliata |
2 |
| fringed bluestar |
Amsonia ciliata var. tenuifolia |
4 |
| Georgia aster |
Symphyotrichum georgianum |
2 |
| Georgia plume |
Elliottia racemosa |
15 |
| goat's rue |
Tephrosia virginiana |
2 |
| goldenrod |
Solidago spp. |
1 |
| gopherweed |
Baptisia lanceolata |
8 |
| grassleaf Barbara's buttons |
Marshallia graminifolia var. cynanthera |
2 |
| great coneflower |
Rudbeckia maxima |
6 |
| green and gold |
Chrysogonum virginianum |
2 |
| green prairie coneflower |
Ratibida tagetes |
1 |
| hairy alumroot |
Heuchera villosa |
2 |
| hairy chaffhead |
Carphephorus paniculatus |
5 |
| hairy laurel |
Kalmia hirsuta |
6 |
| hairy sunflower |
Helianthus hirsutus |
1 |
| halberdleaf rosemallow |
Hibiscus laevis |
2 |
| Hall's prairie clover |
Dalea hallii |
1 |
| harlequin glorybower |
Clerodendron trichotomum |
1 |
| hellebore |
Helleborus spp. |
3 |
| hoary puccoon |
Lithospermum canescens |
5 |
| hooded pitcherplant |
Sarracenia minor |
12 |
| horehound |
Marrubium peregrinum |
1 |
| horehound |
Marrubium spp. |
1 |
| horsenettle |
Solanum carolinense |
1 |
| Indianpipe |
Monotropa uniflora |
2 |
| indigobush |
Amorpha fruticosa |
1 |
| Japanese anemone |
Anemone x hybrida |
2 |
| Japanese honeysuckle |
Lonicera japonica |
1 |
| Japanese knotweed |
Fallopia japonica |
2 |
| Japanese pachysandra |
Pachysandra terminalis |
6 |
| Japanese privet |
Ligustrum japonicum |
2 |
| jasmine |
Jasminum spp. |
3 |
| jessamine |
Cestrum spp. |
2 |
| jewelweed |
Impatiens capensis |
5 |
| Jill of the rocks |
Heuchera maxima |
2 |
| lanceleaf tickseed |
Coreopsis lanceolata |
5 |
| lanceleaf violet |
Viola lanceolata |
5 |
| lantana |
Lantana spp. |
2 |
| large-flower primrose-willow |
Ludwigia grandiflora |
3 |
| largeflower milkweed |
Asclepias connivens |
3 |
| largeleaf jointweed |
Polygonella macrophylla |
3 |
| Lindheimer's beeblossom |
Gaura lindheimeri |
1 |
| Lindheimer's globeberry |
Ibervillea lindheimeri |
2 |
| little amphianthus |
Amphianthus pusillus |
5 |
| little brown jug |
Hexastylis arifolia |
1 |
| little burclover |
Medicago minima |
3 |
| littleleaf boxwood |
Buxus microphylla |
3 |
| littleleaf sensitivebriar |
Mimosa microphylla |
2 |
| lizardstail |
Saururus cernuus |
6 |
| loblolly bay |
Gordonia lasianthus |
1 |
| looseflower water-willow |
Justicia ovata var. lanceolata |
5 |
| low pinebarren milkwort |
Polygala ramosa |
3 |
| lupine |
Lupinus spp. |
2 |
| mat lippia |
Phyla nodiflora |
1 |
| maypop passionflower |
Passiflora incarnata |
4 |
| meadowbeauty |
Rhexia spp. |
1 |
| Mexican plum |
Prunus mexicana |
4 |
| Michaux's milkweed |
Asclepias michauxii |
7 |
| mountain azalea |
Rhododendron canescens |
3 |
| mountain laurel |
Kalmia latifolia |
3 |
| mountain witchalder |
Fothergilla major |
7 |
| multiflora rose |
Rosa multiflora |
10 |
| mustang grape |
Vitis mustangensis |
1 |
| mustard |
Brassica spp. |
3 |
| netleaf leather flower |
Clematis reticulata |
1 |
| New York ironweed |
Vernonia noveboracensis |
3 |
| oakleaf hydrangea |
Hydrangea quercifolia |
7 |
| oblongleaf snakeherb |
Dyschoriste oblongifolia |
8 |
| October flower |
Polygonella polygama |
8 |
| Okefenokee giant pitcher plant |
Sarracenia minor var. okefenokeensis |
4 |
| old fashioned weigela |
Weigela florida |
1 |
| oneflower stitchwort |
Minuartia uniflora |
2 |
| orange milkwort |
Polygala lutea |
9 |
| oriental bittersweet |
Celastrus orbiculatus |
1 |
| osage-orange |
Maclura pomifera |
2 |
| oxeye |
Heliopsis helianthoides |
2 |
| Pacific aster |
Symphyotrichum chilense |
1 |
| painted poinsettia |
Euphorbia cyathophora |
2 |
| paleleaf woodland sunflower |
Helianthus strumosus |
1 |
| panicledleaf ticktrefoil |
Desmodium paniculatum |
2 |
| papaya |
Carica papaya |
3 |
| paper-mulberry |
Broussonetia papyrifera |
1 |
| parrot feather milfoil |
Myriophyllum aquaticum |
1 |
| parrot pitcherplant |
Sarracenia psittacina |
3 |
| partridgepea |
Chamaecrista fasciculata |
4 |
| perennial lupine |
Lupinus perennis |
23 |
| pineapple sage |
Salvia elegans |
1 |
| pineland milkweed |
Asclepias obovata |
5 |
| pink bogbutton |
Sclerolepis uniflora |
6 |
| pink turtlehead |
Chelone lyonii |
1 |
| plantainleaf pussytoes |
Antennaria plantaginifolia |
2 |
| polkadots |
Dyschoriste linearis |
1 |
| portulacaria |
Portulacaria spp. |
1 |
| primrose-leaf violet |
Viola primulifolia |
2 |
| purple monkeyflower |
Mimulus lewisii |
3 |
| purple prairie clover |
Dalea purpurea |
1 |
| queen's-delight |
Stillingia sylvatica |
3 |
| rayless sunflower |
Helianthus radula |
2 |
| red buckeye |
Aesculus pavia |
2 |
| red chokeberry |
Photinia pyrifolia |
6 |
| red columbine |
Aquilegia canadensis |
3 |
| red sorrel |
Rumex acetosella |
1 |
| redflower buckwheat |
Eriogonum grande var. rubescens |
1 |
| riverhemp |
Sesbania spp. |
1 |
| robust horsenettle |
Solanum dimidiatum |
1 |
| Rocky Mountain pond-lily |
Nuphar lutea ssp. polysepala |
5 |
| Roemer's mimosa |
Mimosa roemeriana |
4 |
| rose |
Rosa spp. |
5 |
| rose rush |
Lygodesmia aphylla |
8 |
| rosepink |
Sabatia angularis |
1 |
| roughseed clammyweed |
Polanisia dodecandra |
2 |
| roundleaf thoroughwort |
Eupatorium rotundifolium |
1 |
| rubber rabbitbrush |
Ericameria nauseosa ssp. nauseosa var. nauseosa |
2 |
| rustweed |
Polypremum procumbens |
2 |
| Sampson's snakeroot |
Orbexilum pedunculatum |
4 |
| sand heath |
Ceratiola ericoides |
3 |
| scaly blazing star |
Liatris squarrosa |
2 |
| scarlet rosemallow |
Hibiscus coccineus |
4 |
| scurfpea |
Psoralidium spp. |
2 |
| seabeach evening primrose |
Oenothera humifusa |
8 |
| sensitiveplant |
Mimosa pudica |
1 |
| sericea lespedeza |
Lespedeza cuneata |
2 |
| sheep-laurel |
Kalmia angustifolia |
6 |
| shepherd's-purse |
Capsella bursa-pastoris |
6 |
| shortleaf blazing star |
Liatris tenuifolia |
2 |
| shortleaf rose gentian |
Sabatia brevifolia |
3 |
| showy rattlebox |
Crotalaria spectabilis |
2 |
| sidebeak pencilflower |
Stylosanthes biflora |
7 |
| silk-grass |
Pityopsis graminifolia |
2 |
| silky dogwood |
Cornus amomum |
1 |
| small bonny bellflower |
Campanula divaricata |
1 |
| small butterwort |
Pinguicula pumila |
4 |
| small Venus' looking-glass |
Triodanis biflora |
1 |
| smallflower desert-chicory |
Pyrrhopappus pauciflorus |
3 |
| smallflower morningglory |
Jacquemontia tamnifolia |
9 |
| southern bayberry |
Morella caroliniensis |
1 |
| southern lobelia |
Lobelia amoena |
1 |
| southern waxmyrtle |
Morella cerifera |
1 |
| sparkleberry |
Vaccinium arboreum |
2 |
| spindleroot |
Ludwigia hirtella |
1 |
| spotted beebalm |
Monarda punctata |
1 |
| spotted beebalm |
Monarda punctata ssp. punctata |
2 |
| spotted beebalm |
Monarda punctata ssp. punctata var. punctata |
1 |
| spotted waterhemlock |
Cicuta maculata |
4 |
| spotted wintergreen |
Chimaphila maculata |
2 |
| spreading fanpetals |
Sida abutifolia |
1 |
| spurge |
Euphorbia spp. |
1 |
| standing-cypress |
Ipomopsis rubra |
5 |
| star chickweed |
Stellaria pubera |
5 |
| sticky purple geranium |
Geranium viscosissimum |
1 |
| stiff greenthread |
Thelesperma filifolium |
1 |
| swamp azalea |
Rhododendron viscosum |
5 |
| swamp leather flower |
Clematis crispa |
3 |
| swamp rosemallow |
Hibiscus grandiflorus |
2 |
| swamp sunflower |
Helianthus angustifolius |
3 |
| sweet white violet |
Viola blanda |
6 |
| tall fringed bluebells |
Mertensia ciliata |
4 |
| tall morningglory |
Ipomoea purpurea |
1 |
| tall vervain |
Verbena bonariensis |
2 |
| Texas bindweed |
Convolvulus equitans |
6 |
| Texas bluestar |
Amsonia ciliata var. texana |
1 |
| Texas bullnettle |
Cnidoscolus texanus |
2 |
| Texas filaree |
Erodium texanum |
1 |
| Texas ironweed |
Vernonia texana |
2 |
| Texas lupine |
Lupinus texensis |
1 |
| Texas pricklypear |
Opuntia engelmannii var. lindheimeri |
10 |
| Texas skeletonplant |
Lygodesmia texana |
1 |
| Texas star |
Sabatia campestris |
2 |
| Texas swampmallow |
Pavonia lasiopetala |
1 |
| Texas thistle |
Cirsium texanum |
2 |
| Texas toadflax |
Nuttallanthus texanus |
4 |
| Texas vervain |
Verbena halei |
1 |
| Texas yellowstar |
Lindheimera texana |
4 |
| thickstem aster |
Eurybia integrifolia |
2 |
| thorny olive |
Elaeagnus pungens |
1 |
| tiny bluet |
Houstonia pusilla |
2 |
| toadflax |
Nuttallanthus spp. |
3 |
| trumpet honeysuckle |
Lonicera sempervirens |
4 |
| turnipweed |
Rapistrum rugosum |
8 |
| twoleaf senna |
Senna roemeriana |
2 |
| upright prairie coneflower |
Ratibida columnifera |
1 |
| Venus' pride |
Houstonia purpurea |
3 |
| vetch |
Vicia spp. |
1 |
| violet |
Viola spp. |
4 |
| Virginia buttonweed |
Diodia virginiana |
2 |
| Virginia sweetspire |
Itea virginica |
3 |
| Virginia-creeper |
Parthenocissus quinquefolia |
1 |
| wand goldenrod |
Solidago stricta |
2 |
| water cowbane |
Oxypolis filiformis |
3 |
| wavyleaf twinevine |
Funastrum crispum |
6 |
| wax mallow |
Malvaviscus arboreus var. drummondii |
1 |
| western salsify |
Tragopogon dubius |
2 |
| western white honeysuckle |
Lonicera albiflora |
4 |
| white snakeroot |
Ageratina altissima |
2 |
| wild comfrey |
Cynoglossum virginianum |
5 |
| wild geranium |
Geranium maculatum |
5 |
| woody goldenrod |
Chrysoma pauciflosculosa |
4 |
| woolly ragwort |
Packera tomentosa |
6 |
| woolly sunbonnets |
Chaptalia tomentosa |
6 |
| yarrow |
Achillea aegyptiaca |
1 |
| yellow passionflower |
Passiflora lutea |
3 |
| yellow pitcherplant |
Sarracenia flava |
4 |
| yellow pond-lily |
Nuphar lutea ssp. sagittifolia |
1 |
| yellow puff |
Neptunia lutea |
1 |
| yellow sweetclover |
Melilotus officinalis |
1 |
| zizotes milkweed |
Asclepias oenotheroides |
1 |