| African mustard |
Brassica tournefortii |
3 |
| African rue |
Peganum harmala |
1 |
| Algerian ivy |
Hedera helix ssp. canariensis |
2 |
| alsike clover |
Trifolium hybridum |
3 |
| American lotus |
Nelumbo lutea |
2 |
| Amur corktree |
Phellodendron amurense |
2 |
| Amur honeysuckle |
Lonicera maackii |
10 |
| Amur maple |
Acer ginnala |
11 |
| Amur peppervine |
Ampelopsis brevipedunculata |
16 |
| annual bursage |
Ambrosia acanthicarpa |
1 |
| annual sowthistle |
Sonchus oleraceus |
2 |
| annual yellow sweetclover |
Melilotus indicus |
1 |
| apple-of-Peru |
Nicandra physalodes |
7 |
| Asian nakedwood |
Colubrina asiatica |
3 |
| Asiatic hawksbeard |
Youngia japonica |
1 |
| Asiatic jasmine |
Trachelospermum asiaticum |
4 |
| Athel tamarisk |
Tamarix aphylla |
2 |
| Australian saltbush |
Atriplex semibaccata |
1 |
| Australian-pine |
Casuarina equisetifolia |
7 |
| autumn-olive |
Elaeagnus umbellata |
20 |
| banana poka |
Passiflora tarminiana |
1 |
| barberry |
Berberis spp. |
1 |
| beach vitex |
Vitex rotundifolia |
2 |
| biennial wormwood |
Artemisia biennis |
1 |
| big chickweed |
Cerastium fontanum ssp. vulgare |
6 |
| big periwinkle |
Vinca major |
2 |
| bigroot morningglory |
Ipomoea pandurata |
3 |
| birdsfoot trefoil |
Lotus corniculatus |
3 |
| birdsrape mustard |
Brassica rapa |
6 |
| bishops goutweed |
Aegopodium podagraria |
16 |
| bitter sneezeweed |
Helenium amarum |
2 |
| bittersweet nightshade |
Solanum dulcamara |
14 |
| Black dog-strangling vine, black swallowwort |
Cynanchum louiseae |
25 |
| black henbane |
Hyoscyamus niger |
1 |
| black locust |
Robinia pseudoacacia |
11 |
| black medic |
Medicago lupulina |
3 |
| blackseed plantain |
Plantago rugelii |
2 |
| bladder campion |
Silene latifolia ssp. alba |
8 |
| blessed milkthistle |
Silybum marianum |
4 |
| blue vervain |
Verbena hastata |
1 |
| Bohemian knotweed |
Fallopia x bohemica |
7 |
| boneset |
Eupatorium perfoliatum |
3 |
| border privet |
Ligustrum obtusifolium |
5 |
| bouncingbet |
Saponaria officinalis |
1 |
| boxelder |
Acer negundo |
1 |
| bracted plantain |
Plantago aristata |
1 |
| Brazilian peppertree |
Schinus terebinthifolius |
9 |
| Brazilian vervain |
Verbena incompta |
2 |
| broadleaf dock |
Rumex obtusifolius |
8 |
| broadleaf plantain |
Plantago major |
9 |
| brown knapweed |
Centaurea jacea |
4 |
| buckhorn plantain |
Plantago coronopus |
1 |
| buckhorn plantain |
Plantago lanceolata |
6 |
| buffalobur |
Solanum rostratum |
1 |
| bull thistle |
Cirsium vulgare |
18 |
| burcucumber |
Sicyos angulatus |
9 |
| bushkiller |
Cayratia japonica |
1 |
| buttercup oxalis |
Oxalis pes-caprae |
2 |
| butterfly milkweed |
Asclepias tuberosa |
2 |
| butterflybush |
Buddleja davidii |
3 |
| butterflybush |
Buddleja spp. |
1 |
| California privet |
Ligustrum ovalifolium |
4 |
| Callery pear (Bradford pear) |
Pyrus calleryana |
6 |
| camelthorn |
Alhagi maurorum |
1 |
| camphortree |
Cinnamomum camphora |
7 |
| Canada goldenrod |
Solidago canadensis |
1 |
| Canada thistle |
Cirsium arvense |
28 |
| Canary Island tamarisk |
Tamarix canariensis |
4 |
| cane fruit (blackberry, raspberry) |
Rubus spp. |
3 |
| cape ivy |
Delairea odorata |
2 |
| carpetweed |
Mollugo verticillata |
1 |
| carrotwood |
Cupaniopsis anacardioides |
3 |
| castorbean |
Ricinus communis |
2 |
| catchweed bedstraw |
Galium aparine |
2 |
| catclaw mimosa |
Mimosa pellita |
5 |
| catnip |
Nepeta cataria |
1 |
| chamber bitter |
Phyllanthus urinaria |
4 |
| Cherokee rose |
Rosa laevigata |
4 |
| cherry plum |
Prunus cerasifera |
1 |
| chicory |
Cichorium intybus |
12 |
| China-shrub |
Ardisia solanacea |
1 |
| chinaberry |
Melia azedarach |
15 |
| Chinese banyan |
Ficus microcarpa |
1 |
| Chinese privet |
Ligustrum sinense |
16 |
| Chinese tallowtree |
Triadica sebifera |
26 |
| Chinese wisteria |
Wisteria sinensis |
1 |
| chocolate vine |
Akebia quinata |
37 |
| citronmelon |
Citrullus lanatus var. citroides |
2 |
| coltsfoot |
Tussilago farfara |
15 |
| common bean |
Phaseolus vulgaris |
1 |
| common burdock |
Arctium minus |
4 |
| common chickweed |
Stellaria media |
1 |
| common chickweed |
Stellaria pallida |
2 |
| common chokecherry |
Prunus virginiana |
3 |
| common cocklebur |
Xanthium strumarium |
7 |
| common comfrey |
Symphytum officinale |
5 |
| common crupina |
Crupina vulgaris |
2 |
| common elderberry |
Sambucus nigra ssp. canadensis |
5 |
| common evening-primrose |
Oenothera biennis |
5 |
| common groundsel |
Senecio vulgaris |
4 |
| common lespedeza |
Kummerowia striata |
1 |
| common mallow |
Malva neglecta |
4 |
| common milkweed |
Asclepias syriaca |
4 |
| common mouse-ear chickweed |
Cerastium fontanum |
1 |
| common mullein |
Verbascum thapsus |
11 |
| common periwinkle |
Vinca minor |
8 |
| common pokeweed |
Phytolacca americana |
2 |
| common purslane |
Portulaca oleracea |
2 |
| common ragweed |
Ambrosia artemisiifolia |
4 |
| common St. Johnswort |
Hypericum perforatum |
2 |
| common tansy |
Tanacetum vulgare |
1 |
| common teasel |
Dipsacus fullonum |
9 |
| common valerian |
Valeriana officinalis |
3 |
| common yarrow |
Achillea millefolium |
8 |
| coral ardisia |
Ardisia crenata |
2 |
| corktree |
Phellodendron spp. |
5 |
| corkystemmed passionflower |
Passiflora suberosa |
1 |
| creeping buttercup |
Ranunculus repens |
16 |
| crested latesummer mint |
Elsholtzia ciliata |
3 |
| crimson clover |
Trifolium incarnatum |
3 |
| croftonweed |
Ageratina adenophora |
1 |
| crownvetch |
Securigera varia |
6 |
| crystalline iceplant |
Mesembryanthemum crystallinum |
2 |
| cultivated knotweed |
Persicaria wallichii |
1 |
| cup rosinweed |
Silphium perfoliatum |
5 |
| curly dock |
Rumex crispus |
9 |
| cutleaf blackberry |
Rubus laciniatus |
8 |
| cutleaf geranium |
Geranium dissectum |
1 |
| cutleaf teasel |
Dipsacus laciniatus |
2 |
| Dalmatian toadflax |
Linaria dalmatica |
5 |
| damesrocket |
Hesperis matronalis |
8 |
| dandelion |
Taraxacum officinale |
9 |
| dandelion |
Taraxacum spp. |
2 |
| devils beggarticks |
Bidens frondosa |
2 |
| dock |
Rumex spp. |
1 |
| dog-strangling vine, European swallowwort |
Cynanchum rossicum |
12 |
| dovefoot geranium |
Geranium molle |
1 |
| drug fumitory |
Fumaria officinalis |
2 |
| dwarf honeysuckle |
Lonicera xylosteum |
13 |
| earleaf nightshade |
Solanum mauritianum |
1 |
| eastern poison-ivy |
Toxicodendron radicans |
5 |
| Ebbinge's Silverberry |
Elaeagnus x ebbingei (E. macrophylla x E. pungens) |
1 |
| eclipta |
Eclipta prostrata |
2 |
| edible fig |
Ficus carica |
1 |
| English ivy |
Hedera helix |
21 |
| Eurasian watermilfoil |
Myriophyllum spicatum |
2 |
| European alder |
Alnus glutinosa |
12 |
| European barberry |
Berberis vulgaris |
9 |
| European bird cherry |
Prunus padus |
1 |
| European buckthorn |
Rhamnus cathartica |
29 |
| European mistletoe |
Viscum album |
1 |
| European privet |
Ligustrum vulgare |
3 |
| European stinging nettle |
Urtica dioica ssp. dioica |
2 |
| European waterstarwort |
Callitriche stagnalis |
2 |
| evening-primrose |
Oenothera spp. |
3 |
| fall hawkbit |
Leontodon autumnalis |
1 |
| false chamomile |
Tripleurospermum perforatum |
2 |
| fanwort |
Cabomba caroliniana |
6 |
| field bindweed |
Convolvulus arvensis |
17 |
| field madder |
Sherardia arvensis |
1 |
| field pennycress |
Thlaspi arvense |
2 |
| field thistle |
Cirsium discolor |
1 |
| flat-top goldentop |
Euthamia graminifolia var. graminifolia |
3 |
| flixweed |
Descurainia sophia |
1 |
| floating pennywort |
Hydrocotyle ranunculoides |
1 |
| garlic mustard |
Alliaria petiolata |
26 |
| giant hogweed |
Heracleum mantegazzianum |
16 |
| giant ironweed |
Vernonia gigantea gigantea |
5 |
| giant ragweed |
Ambrosia trifida |
4 |
| gingermint |
Mentha x gracilis |
2 |
| glossy buckthorn |
Frangula alnus |
18 |
| glossy privet |
Ligustrum lucidum |
26 |
| goatsbeard |
Tragopogon spp. |
1 |
| goatsrue |
Galega officinalis |
1 |
| goldenrod |
Solidago spp. |
2 |
| gorse |
Ulex europaeus |
1 |
| grape |
Vitis spp. |
4 |
| great yellowcress |
Rorippa amphibia |
8 |
| greater celandine |
Chelidonium majus |
3 |
| ground ivy |
Glechoma hederacea |
9 |
| groundcherries |
Physalis spp. |
2 |
| hairy cat's ear |
Hypochaeris radicata |
8 |
| hairy galinsoga |
Galinsoga ciliata |
3 |
| hairy nightshade |
Solanum physalifolium |
1 |
| hairy vetch |
Vicia villosa |
1 |
| Hardee peppertree |
Schinus polygamus |
2 |
| hawkweeds |
Hieracium spp. |
1 |
| hedge bindweed |
Calystegia sepium |
16 |
| hemp dogbane |
Apocynum cannabinum |
3 |
| hemp sesbania |
Sesbania exaltata |
5 |
| henbit |
Lamium amplexicaule |
1 |
| herb-robert |
Geranium robertianum |
1 |
| Himalaya blackberry |
Rubus armeniacus |
6 |
| hiptage |
Hiptage benghalensis |
1 |
| hoary cress |
Lepidium draba |
9 |
| honeylocust |
Gleditsia triacanthos |
2 |
| honeyvine swallowwort |
Cynanchum laeve |
6 |
| horehound |
Marrubium peregrinum |
1 |
| horehound |
Marrubium spp. |
1 |
| horsenettle |
Solanum carolinense |
7 |
| horseweed |
Conyza canadensis |
6 |
| Hybrid barberry |
Berberis × ottawensis |
7 |
| Indiantobacco |
Lobelia inflata |
2 |
| Italian hawksbeard |
Crepis bursifolia |
1 |
| Italian plumeless thistle |
Carduus pycnocephalus |
1 |
| ivyleaf morningglory |
Ipomoea hederacea |
14 |
| Japanese angelica tree |
Aralia elata |
1 |
| Japanese barberry |
Berberis thunbergii |
34 |
| Japanese bindweed |
Calystegia hederacea |
7 |
| Japanese hedgeparsley |
Torilis japonica |
1 |
| Japanese honeysuckle |
Lonicera japonica |
33 |
| Japanese hop |
Humulus japonicus |
16 |
| Japanese knotweed |
Fallopia japonica |
23 |
| Japanese maple |
Acer palmatum |
1 |
| Japanese privet |
Ligustrum japonicum |
1 |
| Japanese spiraea |
Spiraea japonica |
2 |
| Jerusalem artichoke |
Helianthus tuberosus |
2 |
| jetbead |
Rhodotypos scandens |
7 |
| jimsonweed |
Datura stramonium |
24 |
| knotweed |
Polygonum spp. |
3 |
| Korean lespedeza |
Kummerowia stipulacea |
3 |
| kudzu |
Pueraria montana var. lobata |
37 |
| ladysthumb |
Persicaria maculosa |
5 |
| lambsquarters |
Chenopodium album |
8 |
| large gray willow |
Salix atrocinerea |
11 |
| large gray willow |
Salix cinerea |
15 |
| large hop clover |
Trifolium campestre |
1 |
| leafy spurge |
Euphorbia esula |
2 |
| leatherleaf mahonia |
Mahonia bealei |
1 |
| lesser celandine, fig buttercup |
Ficaria verna |
6 |
| lobelia/cardinalflower |
Lobelia spp. |
1 |
| Macartney rose |
Rosa bracteata |
1 |
| Malta starthistle |
Centaurea melitensis |
1 |
| mat lippia |
Phyla nodiflora |
2 |
| melaleuca |
Melaleuca quinquenervia |
7 |
| Mexican fireweed |
Kochia scoparia |
8 |
| mexicantea |
Dysphania ambrosioides |
3 |
| miconia |
Miconia calvescens |
1 |
| mile-a-minute weed |
Persicaria perfoliata |
48 |
| mimosa |
Albizia julibrissin |
5 |
| miner's lettuce |
Claytonia perfoliata |
1 |
| moneywort |
Lysimachia nummularia |
9 |
| morningglory |
Ipomoea spp. |
1 |
| Morrow's honeysuckle |
Lonicera morrowii |
1 |
| moss vervain |
Glandularia pulchella |
1 |
| moth mullein |
Verbascum blattaria |
8 |
| motherwort |
Leonurus cardiaca |
1 |
| mugwort |
Artemisia vulgaris |
5 |
| mulberryweed |
Fatoua villosa |
2 |
| mullein |
Verbascum spp. |
5 |
| multiflora rose |
Rosa multiflora |
24 |
| musk mallow |
Malva moschata |
4 |
| musk okra |
Abelmoschus moschatus |
3 |
| musk thistle |
Carduus nutans |
12 |
| mustard |
Brassica spp. |
3 |
| narrowleaf bittercress |
Cardamine impatiens |
1 |
| New Zealand geranium |
Geranium retrorsum |
1 |
| nightshade |
Solanum spp. |
2 |
| Norway maple |
Acer platanoides |
39 |
| oriental bittersweet |
Celastrus orbiculatus |
17 |
| Oriental paperbush |
Edgeworthia chrysantha |
1 |
| ornamental jewelweed |
Impatiens glandulifera |
27 |
| oxeye daisy |
Leucanthemum vulgare |
7 |
| Pacific mistletoe |
Phoradendron villosum |
1 |
| Pacific poison-oak |
Toxicodendron diversilobum |
1 |
| paleseed plantain |
Plantago virginica |
1 |
| Palmer amaranth |
Amaranthus palmeri |
2 |
| paper-mulberry |
Broussonetia papyrifera |
19 |
| parrot feather milfoil |
Myriophyllum aquaticum |
9 |
| Pennsylvania smartweed |
Polygonum pensylvanicum |
1 |
| peppervine |
Ampelopsis arborea |
1 |
| peppervine |
Ampelopsis spp. |
4 |
| perennial pepperweed |
Lepidium latifolium |
3 |
| perennial sowthistle |
Sonchus arvensis |
6 |
| perilla mint |
Perilla frutescens |
5 |
| pitted morningglory |
Ipomoea lacunosa |
8 |
| poison-hemlock |
Conium maculatum |
8 |
| pongame oiltree |
Millettia pinnata |
1 |
| Powell amaranth |
Amaranthus powellii |
1 |
| prickly lettuce |
Lactuca serriola |
16 |
| prickly sida |
Sida spinosa |
4 |
| princesstree |
Paulownia tomentosa |
14 |
| privet |
Ligustrum spp. |
6 |
| prostrate knotweed |
Polygonum aviculare |
1 |
| prostrate pigweed |
Amaranthus blitoides |
1 |
| puncturevine |
Tribulus terrestris |
4 |
| purple deadnettle |
Lamium purpureum |
3 |
| purple loosestrife |
Lythrum salicaria |
16 |
| purple moonflower |
Ipomoea turbinata |
2 |
| purple starthistle |
Centaurea calcitrapa |
1 |
| Queen Anne's lace, wild carrot |
Daucus carota |
5 |
| red clover |
Trifolium pratense |
2 |
| red morningglory |
Ipomoea coccinea |
1 |
| red sorrel |
Rumex acetosella |
10 |
| redroot pigweed |
Amaranthus retroflexus |
1 |
| redstem filaree |
Erodium cicutarium |
2 |
| rosarypea |
Abrus precatorius |
1 |
| rose myrtle |
Rhodomyrtus tomentosa |
1 |
| rough cinquefoil |
Potentilla norvegica |
4 |
| roundleaf geranium |
Geranium rotundifolium |
1 |
| rush skeletonweed |
Chondrilla juncea |
1 |
| Russian knapweed |
Rhaponticum repens |
1 |
| Russian thistle |
Salsola kali |
2 |
| Russian-olive |
Elaeagnus angustifolia |
18 |
| sacred bamboo |
Nandina domestica |
7 |
| Sakhalin corktree |
Phellodendron sachalinense |
3 |
| Sakhalin knotweed |
Fallopia sachalinensis |
13 |
| saltbush |
Atriplex spp. |
1 |
| saltcedar |
Tamarix ramosissima |
15 |
| sawtooth oak |
Quercus acutissima |
3 |
| Scotch thistle |
Onopordum acanthium |
1 |
| sea hibiscus |
Hibiscus tiliaceus |
1 |
| Seaside rose |
Rosa rugosa |
9 |
| sensitive plant |
Mimosa spp. |
1 |
| sericea lespedeza |
Lespedeza cuneata |
15 |
| shamel ash |
Fraxinus uhdei |
1 |
| sharppoint fluvellin |
Kickxia elatine |
1 |
| shepherd's-purse |
Capsella bursa-pastoris |
9 |
| shoebutton ardisia |
Ardisia elliptica |
1 |
| shrubby lespedeza |
Lespedeza bicolor |
2 |
| Siberian elm |
Ulmus pumila |
2 |
| Siberian peashrub |
Caragana arborescens |
2 |
| skunk-vine |
Paederia foetida |
2 |
| skunkbush sumac |
Rhus trilobata |
1 |
| slender cinquefoil |
Potentilla gracilis |
1 |
| smallflower morningglory |
Jacquemontia tamnifolia |
3 |
| smooth bedstraw |
Galium mollugo |
2 |
| smooth hawksbeard |
Crepis capillaris |
1 |
| smooth pigweed |
Amaranthus hybridus |
2 |
| smooth sumac |
Rhus glabra |
2 |
| soapbush |
Clidemia hirta |
2 |
| speedwell |
Veronica spp. |
1 |
| spiny plumeless thistle |
Carduus acanthoides |
2 |
| spiny sowthistle |
Sonchus asper |
7 |
| spotted knapweed |
Centaurea stoebe |
4 |
| spotted knapweed |
Centaurea stoebe ssp. micranthos |
11 |
| spotted water hemlock |
Cicuta maculata var. angustifolia |
1 |
| spreading pellitory |
Parietaria judaica |
1 |
| spurge |
Euphorbia humistrata |
1 |
| St. Andrew's cross |
Hypericum hypericoides |
2 |
| St. John's bread |
Ceratonia siliqua |
1 |
| staghorn sumac |
Rhus hirta |
2 |
| staghorn sumac |
Rhus typhina |
1 |
| Standish's honeysuckle |
Lonicera standishii |
1 |
| stinking chamomile |
Anthemis cotula |
1 |
| sulfur cinquefoil |
Potentilla recta |
4 |
| swamp milkweed |
Asclepias incarnata |
1 |
| sweet autumn virginsbower |
Clematis terniflora |
1 |
| sweet breath of spring |
Lonicera fragrantissima |
1 |
| Sycamore maple |
Acer pseudoplatanus |
6 |
| Syrian beancaper |
Zygophyllum fabago |
1 |
| Taiwanese photinia |
Photinia serratifolia |
3 |
| tall ironweed |
Vernonia gigantea |
2 |
| tall lettuce |
Lactuca canadensis |
6 |
| tall morningglory |
Ipomoea purpurea |
6 |
| tall vervain |
Verbena bonariensis |
2 |
| tall waterhemp |
Amaranthus tuberculatus |
4 |
| tamarisk |
Tamarix spp. |
8 |
| tansy ragwort |
Senecio jacobaea |
2 |
| Tatarian honeysuckle |
Lonicera tatarica |
12 |
| teasel |
Dipsacus spp. |
1 |
| thistle |
Cirsium spp. |
1 |
| thorny olive |
Elaeagnus pungens |
16 |
| Thunberg lespedeza |
Lespedeza thunbergii |
1 |
| Thunberg's geranium |
Geranium thunbergii |
20 |
| toadflax |
Linaria spp. |
1 |
| touch-me-not |
Impatiens spp. |
1 |
| tree-of-heaven |
Ailanthus altissima |
75 |
| trifoliate orange |
Poncirus trifoliata |
2 |
| tropical soda apple |
Solanum viarum |
7 |
| true forget-me-not |
Myosotis scorpioides |
4 |
| trumpetcreeper |
Campsis radicans |
4 |
| tumble pigweed |
Amaranthus albus |
3 |
| tungoil tree |
Vernicia fordii |
3 |
| turkeyberry |
Solanum torvum |
1 |
| twoleaf watermilfoil |
Myriophyllum heterophyllum |
3 |
| velvetleaf |
Abutilon theophrasti |
12 |
| Venice mallow |
Hibiscus trionum |
5 |
| Virginia-creeper |
Parthenocissus quinquefolia |
4 |
| wall lettuce |
Mycelis muralis |
3 |
| water knotweed |
Polygonum amphibium |
2 |
| water-chestnut |
Trapa natans |
7 |
| wavyleaf thistle |
Cirsium undulatum |
1 |
| West Indian nightshade |
Solanum ptycanthum |
5 |
| West Indian raspberry |
Rubus rosifolius |
1 |
| western salsify |
Tragopogon dubius |
2 |
| western waterhemlock |
Cicuta douglasii |
1 |
| wetland nightshade |
Solanum tampicense |
1 |
| white clover |
Trifolium repens |
2 |
| white horehound |
Marrubium vulgare |
2 |
| white mulberry |
Morus alba |
8 |
| white mustard |
Sinapis alba |
1 |
| white poplar |
Populus alba |
20 |
| white vervain |
Verbena urticifolia |
2 |
| whitebark raspberry |
Rubus leucodermis |
2 |
| wild buckwheat |
Fallopia convolvulus |
1 |
| wild carrot |
Daucus carota ssp. carota |
2 |
| wild chervil |
Anthriscus sylvestris |
6 |
| wild four-o'clock |
Mirabilis nyctaginea |
2 |
| wild mustard |
Sinapis arvensis ssp. arvensis |
5 |
| wild parsnip |
Pastinaca sativa |
11 |
| wine grape |
Vitis vinifera |
1 |
| wine raspberry |
Rubus phoenicolasius |
11 |
| winged burning bush |
Euonymus alatus |
11 |
| winter creeper |
Euonymus fortunei |
1 |
| yellow rocket |
Barbarea vulgaris |
5 |
| yellow starthistle |
Centaurea solstitialis |
1 |
| yellow sweetclover |
Melilotus officinalis |
3 |
| yellow toadflax |
Linaria vulgaris |
1 |
| yellow unicorn-plant |
Ibicella lutea |
1 |
| yellow woodsorrel |
Oxalis stricta |
2 |
| yellowspine thistle |
Cirsium ochrocentrum |
1 |
