| American lotus |
Nelumbo lutea |
3 |
| Amur honeysuckle |
Lonicera maackii |
1 |
| Amur peppervine |
Ampelopsis brevipedunculata |
1 |
| Amur silvergrass |
Miscanthus sacchariflorus |
35 |
| autumn-olive |
Elaeagnus umbellata |
1 |
| beach vitex |
Vitex rotundifolia |
17 |
| Benghal dayflower |
Commelina benghalensis |
1 |
| bermudagrass |
Cynodon dactylon |
11 |
| big periwinkle |
Vinca major |
1 |
| big sagebrush |
Artemisia tridentata |
1 |
| bishops goutweed |
Aegopodium podagraria |
2 |
| Black dog-strangling vine, black swallowwort |
Cynanchum louiseae |
1 |
| blessed milkthistle |
Silybum marianum |
2 |
| Bohemian knotweed |
Fallopia x bohemica |
1 |
| border privet |
Ligustrum obtusifolium |
11 |
| Brazilian peppertree |
Schinus terebinthifolius |
2 |
| Brazilian vervain |
Verbena incompta |
1 |
| Brazilian waterweed |
Egeria densa |
1 |
| broomleaf toadflax |
Linaria genistifolia |
1 |
| bull thistle |
Cirsium vulgare |
1 |
| bushkiller |
Cayratia japonica |
1 |
| butterflybush |
Buddleja davidii |
2 |
| Callery pear (Bradford pear) |
Pyrus calleryana |
1 |
| Canada bluegrass |
Poa compressa |
2 |
| Canada thistle |
Cirsium arvense |
1 |
| cape ivy |
Delairea odorata |
4 |
| capeweed |
Arctotheca calendula |
1 |
| carpobrotus |
Carpobrotus spp. |
3 |
| cheatgrass |
Bromus tectorum |
6 |
| Cherokee rose |
Rosa laevigata |
1 |
| Chinese privet |
Ligustrum sinense |
4 |
| Chinese silvergrass |
Miscanthus sinensis |
5 |
| Chinese tallowtree |
Triadica sebifera |
1 |
| Chinese yam |
Dioscorea polystachya |
1 |
| chocolate vine |
Akebia quinata |
33 |
| cogongrass |
Imperata cylindrica |
10 |
| coltsfoot |
Tussilago farfara |
1 |
| common mullein |
Verbascum thapsus |
1 |
| common reed |
Phragmites australis |
27 |
| common St. Johnswort |
Hypericum perforatum |
1 |
| coral ardisia |
Ardisia crenata |
1 |
| creeping buttercup |
Ranunculus repens |
3 |
| crimson fountaingrass |
Pennisetum setaceum |
5 |
| croftonweed |
Ageratina adenophora |
2 |
| crystalline iceplant |
Mesembryanthemum crystallinum |
1 |
| cypress spurge |
Euphorbia cyparissias |
18 |
| damesrocket |
Hesperis matronalis |
5 |
| dog-strangling vine, European swallowwort |
Cynanchum rossicum |
2 |
| dwarf honeysuckle |
Lonicera xylosteum |
2 |
| English ivy |
Hedera helix |
15 |
| Eurasian watermilfoil |
Myriophyllum spicatum |
11 |
| European beachgrass |
Ammophila arenaria |
1 |
| European pepperwort |
Marsilea quadrifolia |
13 |
| European waterstarwort |
Callitriche stagnalis |
22 |
| evening-primrose |
Oenothera spp. |
1 |
| fanwort |
Cabomba caroliniana |
13 |
| flowering rush |
Butomus umbellatus |
2 |
| French broom |
Genista monspessulana |
1 |
| garlic mustard |
Alliaria petiolata |
26 |
| giant hogweed |
Heracleum mantegazzianum |
15 |
| giant reed |
Arundo donax |
7 |
| golden bamboo |
Phyllostachys aurea |
4 |
| great yellowcress |
Rorippa amphibia |
14 |
| greater ammi |
Ammi majus |
1 |
| greater celandine |
Chelidonium majus |
3 |
| ground ivy |
Glechoma hederacea |
3 |
| hair fescue |
Festuca filiformis |
7 |
| hairy bittercress |
Cardamine hirsuta |
6 |
| henbit |
Lamium amplexicaule |
3 |
| Himalaya blackberry |
Rubus armeniacus |
7 |
| horseweed |
Conyza canadensis |
1 |
| hottentot fig |
Carpobrotus edulis |
1 |
| hydrilla |
Hydrilla verticillata |
34 |
| indigobush |
Amorpha fruticosa |
1 |
| Japanese barberry |
Berberis thunbergii |
67 |
| Japanese climbing fern |
Lygodium japonicum |
4 |
| Japanese dodder |
Cuscuta japonica |
17 |
| Japanese honeysuckle |
Lonicera japonica |
10 |
| Japanese hop |
Humulus japonicus |
1 |
| Japanese knotweed |
Fallopia japonica |
19 |
| Japanese sedge |
Carex kobomugi |
15 |
| Japanese spiraea |
Spiraea japonica |
1 |
| Japanese stiltgrass |
Microstegium vimineum |
29 |
| Japanese wisteria |
Wisteria floribunda |
1 |
| jimsonweed |
Datura stramonium |
1 |
| johnsongrass |
Sorghum halepense |
3 |
| kudzu |
Pueraria montana |
1 |
| kudzu |
Pueraria montana var. lobata |
89 |
| largeleaf lantana |
Lantana camara |
3 |
| leafy spurge |
Euphorbia esula |
3 |
| leatherleaf mahonia |
Mahonia bealei |
1 |
| lesser celandine, fig buttercup |
Ficaria verna |
9 |
| low amaranth |
Amaranthus deflexus |
1 |
| mat chaff-flower |
Alternanthera caracasana |
1 |
| meadow campion |
Silene flos-cuculi |
6 |
| meadow hawkweed |
Hieracium caespitosum |
1 |
| Mediterranean sage |
Salvia aethiopis |
1 |
| melaleuca |
Melaleuca quinquenervia |
5 |
| Mexican fireweed |
Kochia scoparia |
1 |
| mile-a-minute weed |
Persicaria perfoliata |
62 |
| monkeygrass |
Liriope muscari |
1 |
| Morrow's honeysuckle |
Lonicera morrowii |
1 |
| multiflora rose |
Rosa multiflora |
10 |
| musk thistle |
Carduus nutans |
1 |
| narrowleaf bittercress |
Cardamine impatiens |
6 |
| Norway maple |
Acer platanoides |
2 |
| oakforest woodrush |
Luzula luzuloides |
6 |
| old world climbing fern |
Lygodium microphyllum |
49 |
| onerow yellowcress |
Nasturtium microphyllum |
5 |
| orange hawkweed |
Hieracium aurantiacum |
1 |
| oriental bittersweet |
Celastrus orbiculatus |
36 |
| ornamental jewelweed |
Impatiens glandulifera |
13 |
| paper-mulberry |
Broussonetia papyrifera |
1 |
| parrot feather milfoil |
Myriophyllum aquaticum |
4 |
| pasmo disease of linseed |
Mycosphaerella linicola |
1 |
| passionflower |
Passiflora spp. |
2 |
| peppervine |
Ampelopsis spp. |
2 |
| perennial pepperweed |
Lepidium latifolium |
49 |
| pinnate mosquitofern |
Azolla pinnata |
3 |
| poison-hemlock |
Conium maculatum |
1 |
| puncturevine |
Tribulus terrestris |
1 |
| purple loosestrife |
Lythrum salicaria |
38 |
| purple pampasgrass |
Cortaderia jubata |
6 |
| purple starthistle |
Centaurea calcitrapa |
1 |
| Queen Anne's lace, wild carrot |
Daucus carota |
1 |
| red sorrel |
Rumex acetosella |
14 |
| redroot flatsedge |
Cyperus erythrorhizos |
1 |
| reed canarygrass |
Phalaris arundinacea |
57 |
| Russian knapweed |
Rhaponticum repens |
1 |
| Russian-olive |
Elaeagnus angustifolia |
5 |
| Russian-thistle |
Salsola tragus |
4 |
| Sakhalin knotweed |
Fallopia sachalinensis |
5 |
| saltcedar |
Tamarix ramosissima |
4 |
| sapodilla |
Manilkara zapota |
1 |
| Scotch broom |
Cytisus scoparius |
3 |
| Seaside rose |
Rosa rugosa |
9 |
| sericea lespedeza |
Lespedeza cuneata |
5 |
| shoebutton ardisia |
Ardisia elliptica |
1 |
| showy dewflower |
Drosanthemum floribundum |
1 |
| shrubby lespedeza |
Lespedeza bicolor |
1 |
| silky windgrass |
Apera spica-venti |
1 |
| skunk-vine |
Paederia foetida |
3 |
| slender snakecotton |
Froelichia gracilis |
6 |
| small carpetgrass, joint-head grass |
Arthraxon hispidus |
4 |
| smallflower umbrella sedge |
Cyperus difformis |
1 |
| smokebush |
Buddleja madagascariensis |
3 |
| smooth bedstraw |
Galium mollugo |
17 |
| spotted knapweed |
Centaurea stoebe |
18 |
| spotted knapweed |
Centaurea stoebe ssp. micranthos |
1 |
| star-of-Bethlehem |
Ornithogalum umbellatum |
2 |
| stinking chamomile |
Anthemis cotula |
1 |
| sulfur cinquefoil |
Potentilla recta |
1 |
| sweet autumn virginsbower |
Clematis terniflora |
2 |
| Sycamore maple |
Acer pseudoplatanus |
1 |
| tansy ragwort |
Senecio jacobaea |
34 |
| toadflax |
Linaria spp. |
1 |
| toothpick ammi |
Ammi visnaga |
1 |
| tree-of-heaven |
Ailanthus altissima |
5 |
| trifoliate orange |
Poncirus trifoliata |
1 |
| true forget-me-not |
Myosotis scorpioides |
21 |
| tussock paspalum |
Paspalum quadrifarium |
1 |
| water snowflake |
Nymphoides indica |
3 |
| water-chestnut |
Trapa natans |
4 |
| watercresses and yellowcresses |
Nasturtium spp. |
1 |
| waterhyacinth |
Eichhornia crassipes |
10 |
| watermilfoil |
Myriophyllum spp. |
3 |
| wavyleaf basketgrass |
Oplismenus hirtellus ssp. undulatifolius |
3 |
| white poplar |
Populus alba |
1 |
| wild chervil |
Anthriscus sylvestris |
36 |
| wild parsnip |
Pastinaca sativa |
12 |
| wine raspberry |
Rubus phoenicolasius |
2 |
| yellow floatingheart |
Nymphoides peltata |
13 |
| yellow groove bamboo |
Phyllostachys aureosulcata |
9 |
| yellow starthistle |
Centaurea solstitialis |
1 |
| yellow toadflax |
Linaria vulgaris |
2 |
| yellowflag iris |
Iris pseudacorus |
6 |
