| African rue |
Peganum harmala |
1 |
| alligatorweed |
Alternanthera philoxeroides |
1 |
| alsike clover |
Trifolium hybridum |
1 |
| American lotus |
Nelumbo lutea |
7 |
| Amur honeysuckle |
Lonicera maackii |
4 |
| Amur maple |
Acer ginnala |
2 |
| Amur peppervine |
Ampelopsis brevipedunculata |
14 |
| annual bursage |
Ambrosia acanthicarpa |
1 |
| apple-of-Peru |
Nicandra physalodes |
4 |
| aroma |
Dichrostachys cinerea |
1 |
| Asian nakedwood |
Colubrina asiatica |
1 |
| Athel tamarisk |
Tamarix aphylla |
1 |
| Australian-pine |
Casuarina equisetifolia |
5 |
| autumn-olive |
Elaeagnus umbellata |
58 |
| beach vitex |
Vitex rotundifolia |
16 |
| Bell's honeysuckle |
Lonicera x bella |
13 |
| big chickweed |
Cerastium fontanum ssp. vulgare |
5 |
| big periwinkle |
Vinca major |
3 |
| big sagebrush |
Artemisia tridentata |
2 |
| birdsfoot trefoil |
Lotus corniculatus |
3 |
| birdsrape mustard |
Brassica rapa |
5 |
| bishops goutweed |
Aegopodium podagraria |
26 |
| bitter sneezeweed |
Helenium amarum |
1 |
| bittersweet nightshade |
Solanum dulcamara |
13 |
| Black dog-strangling vine, black swallowwort |
Cynanchum louiseae |
21 |
| black henbane |
Hyoscyamus niger |
9 |
| black knapweed |
Centaurea nigra |
1 |
| black locust |
Robinia pseudoacacia |
4 |
| black medic |
Medicago lupulina |
2 |
| blessed milkthistle |
Silybum marianum |
3 |
| border privet |
Ligustrum obtusifolium |
10 |
| brassbuttons |
Cotula coronopifolia |
2 |
| Brazilian peppertree |
Schinus terebinthifolius |
12 |
| British yellowhead |
Inula britannica |
1 |
| Britton's wild petunia |
Ruellia simplex |
1 |
| broadleaf plantain |
Plantago major |
1 |
| brown knapweed |
Centaurea jacea |
1 |
| buckhorn plantain |
Plantago lanceolata |
3 |
| buffalobur |
Solanum rostratum |
1 |
| Bukhara fleeceflower |
Polygonum baldschuanicum |
2 |
| bull thistle |
Cirsium vulgare |
8 |
| burcucumber |
Sicyos angulatus |
1 |
| butterflybush |
Buddleja davidii |
13 |
| California privet |
Ligustrum ovalifolium |
2 |
| Callery pear (Bradford pear) |
Pyrus calleryana |
1 |
| Canada thistle |
Cirsium arvense |
15 |
| capeweed |
Arctotheca calendula |
2 |
| carrotwood |
Cupaniopsis anacardioides |
1 |
| catchweed bedstraw |
Galium aparine |
2 |
| chicory |
Cichorium intybus |
2 |
| Chinese privet |
Ligustrum sinense |
1 |
| Chinese tallowtree |
Triadica sebifera |
2 |
| Chinese wisteria |
Wisteria sinensis |
5 |
| chocolate vine |
Akebia quinata |
3 |
| clammy goosefoot |
Dysphania pumilio |
1 |
| coltsfoot |
Tussilago farfara |
26 |
| common burdock |
Arctium minus |
1 |
| common cocklebur |
Xanthium strumarium |
3 |
| common lespedeza |
Kummerowia striata |
1 |
| common milkweed |
Asclepias syriaca |
2 |
| common mouse-ear chickweed |
Cerastium fontanum |
1 |
| common mullein |
Verbascum thapsus |
2 |
| common pokeweed |
Phytolacca americana |
1 |
| common ragweed |
Ambrosia artemisiifolia |
2 |
| common St. Johnswort |
Hypericum perforatum |
1 |
| common tansy |
Tanacetum vulgare |
5 |
| common teasel |
Dipsacus fullonum |
2 |
| common valerian |
Valeriana officinalis |
38 |
| common yarrow |
Achillea millefolium |
6 |
| coppery mesemb |
Malephora crocea |
1 |
| corn speedwell |
Veronica arvensis |
2 |
| creeping buttercup |
Ranunculus repens |
23 |
| crested latesummer mint |
Elsholtzia ciliata |
22 |
| crownvetch |
Securigera varia |
1 |
| crystalline iceplant |
Mesembryanthemum crystallinum |
1 |
| cup rosinweed |
Silphium perfoliatum |
18 |
| curly dock |
Rumex crispus |
1 |
| cutleaf blackberry |
Rubus laciniatus |
1 |
| cutleaf goosefoot |
Chenopodium multifidum |
1 |
| cutleaf teasel |
Dipsacus laciniatus |
6 |
| cypress spurge |
Euphorbia cyparissias |
18 |
| Dalmatian toadflax |
Linaria dalmatica |
1 |
| damesrocket |
Hesperis matronalis |
16 |
| dandelion |
Taraxacum officinale |
2 |
| diffuse knapweed |
Centaurea diffusa |
1 |
| dodder |
Cuscuta spp. |
1 |
| dog-strangling vine, European swallowwort |
Cynanchum rossicum |
5 |
| dwarf honeysuckle |
Lonicera xylosteum |
9 |
| English daisy |
Bellis perennis |
1 |
| English ivy |
Hedera helix |
10 |
| Eurasian watermilfoil |
Myriophyllum spicatum |
12 |
| European barberry |
Berberis vulgaris |
23 |
| European waterstarwort |
Callitriche stagnalis |
14 |
| false chamomile |
Tripleurospermum perforatum |
5 |
| fanwort |
Cabomba caroliniana |
7 |
| field bindweed |
Convolvulus arvensis |
3 |
| field dodder |
Cuscuta pentagona |
1 |
| field marigold |
Calendula arvensis |
1 |
| field pansy |
Viola bicolor |
1 |
| field pennycress |
Thlaspi arvense |
3 |
| floating pennywort |
Hydrocotyle ranunculoides |
1 |
| garden loosestrife |
Lysimachia vulgaris |
8 |
| garlic mustard |
Alliaria petiolata |
59 |
| giant hogweed |
Heracleum mantegazzianum |
45 |
| giant ragweed |
Ambrosia trifida |
1 |
| glandular Cape marigold |
Dimorphotheca sinuata |
1 |
| glossy buckthorn |
Frangula alnus |
11 |
| gorse |
Ulex europaeus |
8 |
| great yellowcress |
Rorippa amphibia |
15 |
| greater celandine |
Chelidonium majus |
18 |
| ground ivy |
Glechoma hederacea |
25 |
| hairy bittercress |
Cardamine hirsuta |
56 |
| hairy vetch |
Vicia villosa |
5 |
| hairy willowherb |
Epilobium hirsutum |
2 |
| halogeton |
Halogeton glomeratus |
8 |
| hedge bindweed |
Calystegia sepium |
1 |
| hemp dogbane |
Apocynum cannabinum |
2 |
| hemp sesbania |
Sesbania exaltata |
1 |
| hempvine |
Mikania spp. |
1 |
| henbit |
Lamium amplexicaule |
6 |
| Hill mustard |
Bunias orientalis |
1 |
| Himalaya blackberry |
Rubus armeniacus |
1 |
| honeyvine swallowwort |
Cynanchum laeve |
6 |
| horsenettle |
Solanum carolinense |
1 |
| horseweed |
Conyza canadensis |
4 |
| Hybrid barberry |
Berberis × ottawensis |
9 |
| Indiantobacco |
Lobelia inflata |
1 |
| indigobush |
Amorpha fruticosa |
12 |
| ivyleaf morningglory |
Ipomoea hederacea |
2 |
| Japanese barberry |
Berberis thunbergii |
83 |
| Japanese dodder |
Cuscuta japonica |
3 |
| Japanese honeysuckle |
Lonicera japonica |
23 |
| Japanese hop |
Humulus japonicus |
9 |
| Japanese knotweed |
Fallopia japonica |
4 |
| Japanese spiraea |
Spiraea japonica |
5 |
| Japanese tree lilac |
Syringa reticulata |
3 |
| jimsonweed |
Datura stramonium |
9 |
| Kenilworth ivy |
Cymbalaria muralis |
1 |
| kudzu |
Pueraria montana var. lobata |
25 |
| ladysthumb |
Persicaria maculosa |
4 |
| lambsquarters |
Chenopodium album |
1 |
| large gray willow |
Salix cinerea |
2 |
| largeleaf lantana |
Lantana camara |
8 |
| leafy spurge |
Euphorbia esula |
11 |
| leatherleaf mahonia |
Mahonia bealei |
3 |
| lesser celandine, fig buttercup |
Ficaria verna |
25 |
| mat chaff-flower |
Alternanthera caracasana |
1 |
| matrimony vine |
Lycium barbarum |
1 |
| meadow campion |
Silene flos-cuculi |
15 |
| meadow hawkweed |
Hieracium caespitosum |
1 |
| melaleuca |
Melaleuca quinquenervia |
2 |
| Mexican fireweed |
Kochia scoparia |
17 |
| miconia |
Miconia calvescens |
2 |
| mile-a-minute weed |
Persicaria perfoliata |
52 |
| moneywort |
Lysimachia nummularia |
7 |
| Morrow's honeysuckle |
Lonicera morrowii |
26 |
| moth mullein |
Verbascum blattaria |
2 |
| mulberryweed |
Fatoua villosa |
2 |
| multiflora rose |
Rosa multiflora |
29 |
| musk thistle |
Carduus nutans |
9 |
| narrow-leaved iceplant |
Conicosia pugioniformis |
1 |
| narrowleaf bittercress |
Cardamine impatiens |
52 |
| Norway maple |
Acer platanoides |
1 |
| onerow yellowcress |
Nasturtium microphyllum |
7 |
| oriental bittersweet |
Celastrus orbiculatus |
22 |
| ornamental jewelweed |
Impatiens glandulifera |
27 |
| Pacific poison-oak |
Toxicodendron diversilobum |
1 |
| Palmer amaranth |
Amaranthus palmeri |
3 |
| parrot feather milfoil |
Myriophyllum aquaticum |
4 |
| passionflower |
Passiflora spp. |
1 |
| peppervine |
Ampelopsis spp. |
3 |
| perennial pepperweed |
Lepidium latifolium |
6 |
| perennial sowthistle |
Sonchus arvensis |
5 |
| pitted morningglory |
Ipomoea lacunosa |
3 |
| poison-hemlock |
Conium maculatum |
1 |
| Powell amaranth |
Amaranthus powellii |
3 |
| prickly lettuce |
Lactuca serriola |
9 |
| prickly sida |
Sida spinosa |
3 |
| princesstree |
Paulownia tomentosa |
3 |
| privet |
Ligustrum spp. |
1 |
| prostrate knotweed |
Polygonum aviculare |
1 |
| prostrate pigweed |
Amaranthus blitoides |
1 |
| puncturevine |
Tribulus terrestris |
4 |
| purple deadnettle |
Lamium purpureum |
5 |
| purple loosestrife |
Lythrum salicaria |
23 |
| purple starthistle |
Centaurea calcitrapa |
1 |
| Queen Anne's lace, wild carrot |
Daucus carota |
1 |
| red sesbania |
Sesbania punicea |
1 |
| red sorrel |
Rumex acetosella |
27 |
| redroot pigweed |
Amaranthus retroflexus |
4 |
| rush skeletonweed |
Chondrilla juncea |
1 |
| Russian knapweed |
Rhaponticum repens |
2 |
| Russian-olive |
Elaeagnus angustifolia |
1 |
| Russian-thistle |
Salsola tragus |
2 |
| sacred bamboo |
Nandina domestica |
2 |
| Sakhalin knotweed |
Fallopia sachalinensis |
2 |
| saltcedar |
Tamarix ramosissima |
10 |
| scarlet pimpernel |
Lysimachia arvensis |
1 |
| Scotch broom |
Cytisus scoparius |
12 |
| Scotch thistle |
Onopordum acanthium |
17 |
| sea fig |
Carpobrotus chilensis |
1 |
| Seaside rose |
Rosa rugosa |
37 |
| sensitive plant |
Mimosa spp. |
1 |
| sericea lespedeza |
Lespedeza cuneata |
5 |
| shepherd's-purse |
Capsella bursa-pastoris |
3 |
| shoebutton ardisia |
Ardisia elliptica |
4 |
| showy milkweed |
Asclepias speciosa |
1 |
| slender snakecotton |
Froelichia gracilis |
9 |
| slenderleaf iceplant |
Mesembryanthemum nodiflorum |
1 |
| small broomrape |
Orobanche minor |
2 |
| small flower touch-me-not |
Impatiens parviflora |
2 |
| smokebush |
Buddleja madagascariensis |
4 |
| smooth bedstraw |
Galium mollugo |
5 |
| smooth groundcherry |
Physalis longifolia var. subglabrata |
2 |
| smooth hawksbeard |
Crepis capillaris |
1 |
| smooth pigweed |
Amaranthus hybridus |
3 |
| southern brassbuttons |
Cotula australis |
2 |
| spiny amaranth |
Amaranthus spinosus |
1 |
| spotted knapweed |
Centaurea stoebe |
55 |
| spotted knapweed |
Centaurea stoebe ssp. micranthos |
1 |
| squarrose knapweed |
Centaurea virgata |
1 |
| stinking chamomile |
Anthemis cotula |
1 |
| strawberry guava |
Psidium cattleianum |
1 |
| sulfur cinquefoil |
Potentilla recta |
3 |
| sweet autumn virginsbower |
Clematis terniflora |
10 |
| Syrian beancaper |
Zygophyllum fabago |
2 |
| tall buttercup |
Ranunculus acris |
2 |
| tall waterhemp |
Amaranthus tuberculatus |
4 |
| tamarisk |
Tamarix spp. |
1 |
| tansy ragwort |
Senecio jacobaea |
35 |
| Tatarian honeysuckle |
Lonicera tatarica |
1 |
| Thunberg's geranium |
Geranium thunbergii |
11 |
| tree-of-heaven |
Ailanthus altissima |
5 |
| trifoliate orange |
Poncirus trifoliata |
1 |
| tropic croton |
Croton glandulosus var. septentrionalis |
1 |
| true forget-me-not |
Myosotis scorpioides |
6 |
| tumble pigweed |
Amaranthus albus |
1 |
| turkeyberry |
Solanum torvum |
3 |
| velvetleaf |
Abutilon theophrasti |
16 |
| Venice mallow |
Hibiscus trionum |
1 |
| venus-comb |
Scandix pecten-veneris |
1 |
| Virginia pepperweed |
Lepidium virginicum |
4 |
| wall lettuce |
Mycelis muralis |
37 |
| water snowflake |
Nymphoides indica |
1 |
| water-chestnut |
Trapa natans |
6 |
| watercresses and yellowcresses |
Nasturtium spp. |
6 |
| West Indian nightshade |
Solanum ptycanthum |
10 |
| western salsify |
Tragopogon dubius |
1 |
| white clover |
Trifolium repens |
5 |
| wild celery |
Cyclospermum leptophyllum |
1 |
| wild chervil |
Anthriscus sylvestris |
25 |
| wild mustard |
Sinapis arvensis ssp. arvensis |
5 |
| wild parsnip |
Pastinaca sativa |
10 |
| wine raspberry |
Rubus phoenicolasius |
3 |
| winged burning bush |
Euonymus alatus |
19 |
| winged waterprimrose |
Ludwigia decurrens |
1 |
| winter creeper |
Euonymus fortunei var. radicans |
1 |
| woolly distaff thistle |
Carthamus lanatus |
1 |
| yellow floatingheart |
Nymphoides peltata |
9 |
| yellow hornpoppy |
Glaucium flavum |
10 |
| yellow rocket |
Barbarea vulgaris |
7 |
| yellow starthistle |
Centaurea solstitialis |
1 |
| yellow toadflax |
Linaria vulgaris |
1 |
| yellow woodsorrel |
Oxalis stricta |
2 |