| American lotus |
Nelumbo lutea |
2 |
| Amur honeysuckle |
Lonicera maackii |
6 |
| Amur maple |
Acer ginnala |
6 |
| Amur peppervine |
Ampelopsis brevipedunculata |
4 |
| Amur silvergrass |
Miscanthus sacchariflorus |
1 |
| Australian-pine |
Casuarina equisetifolia |
5 |
| autumn-olive |
Elaeagnus umbellata |
14 |
| beach vitex |
Vitex rotundifolia |
1 |
| bishops goutweed |
Aegopodium podagraria |
15 |
| bittersweet nightshade |
Solanum dulcamara |
7 |
| Black dog-strangling vine, black swallowwort |
Cynanchum louiseae |
26 |
| black locust |
Robinia pseudoacacia |
9 |
| Bohemian knotweed |
Fallopia x bohemica |
7 |
| border privet |
Ligustrum obtusifolium |
6 |
| Brazilian peppertree |
Schinus terebinthifolius |
2 |
| Brazilian waterweed |
Egeria densa |
4 |
| bristle basketgrass |
Oplismenus hirtellus |
3 |
| butterflybush |
Buddleja davidii |
1 |
| California privet |
Ligustrum ovalifolium |
4 |
| Callery pear (Bradford pear) |
Pyrus calleryana |
1 |
| Canada thistle |
Cirsium arvense |
11 |
| Chinese privet |
Ligustrum sinense |
5 |
| Chinese silvergrass |
Miscanthus sinensis |
6 |
| Chinese wisteria |
Wisteria sinensis |
1 |
| chocolate vine |
Akebia quinata |
30 |
| coltsfoot |
Tussilago farfara |
11 |
| common valerian |
Valeriana officinalis |
3 |
| corktree |
Phellodendron spp. |
5 |
| creeping buttercup |
Ranunculus repens |
9 |
| crested latesummer mint |
Elsholtzia ciliata |
3 |
| cup rosinweed |
Silphium perfoliatum |
8 |
| curlyleaf pondweed |
Potamogeton crispus |
8 |
| cutleaf blackberry |
Rubus laciniatus |
6 |
| damesrocket |
Hesperis matronalis |
5 |
| dog-strangling vine, European swallowwort |
Cynanchum rossicum |
10 |
| dwarf honeysuckle |
Lonicera xylosteum |
13 |
| English ivy |
Hedera helix |
1 |
| European alder |
Alnus glutinosa |
12 |
| European barberry |
Berberis vulgaris |
9 |
| European buckthorn |
Rhamnus cathartica |
27 |
| European pepperwort |
Marsilea quadrifolia |
1 |
| European privet |
Ligustrum vulgare |
2 |
| European waterstarwort |
Callitriche stagnalis |
3 |
| fanwort |
Cabomba caroliniana |
6 |
| garlic mustard |
Alliaria petiolata |
13 |
| giant hogweed |
Heracleum mantegazzianum |
11 |
| giant salvinia |
Salvinia molesta |
9 |
| glossy buckthorn |
Frangula alnus |
17 |
| great yellowcress |
Rorippa amphibia |
8 |
| greater celandine |
Chelidonium majus |
3 |
| ground ivy |
Glechoma hederacea |
1 |
| hairy willowherb |
Epilobium hirsutum |
1 |
| Himalaya blackberry |
Rubus armeniacus |
5 |
| Hybrid barberry |
Berberis × ottawensis |
7 |
| hydrilla |
Hydrilla verticillata |
10 |
| Japanese barberry |
Berberis thunbergii |
27 |
| Japanese honeysuckle |
Lonicera japonica |
23 |
| Japanese hop |
Humulus japonicus |
10 |
| Japanese knotweed |
Fallopia japonica |
10 |
| Japanese stiltgrass |
Microstegium vimineum |
42 |
| jetbead |
Rhodotypos scandens |
6 |
| kudzu |
Pueraria montana var. lobata |
32 |
| large gray willow |
Salix atrocinerea |
11 |
| large gray willow |
Salix cinerea |
17 |
| lesser celandine, fig buttercup |
Ficaria verna |
6 |
| melaleuca |
Melaleuca quinquenervia |
4 |
| Mexican fireweed |
Kochia scoparia |
2 |
| mile-a-minute weed |
Persicaria perfoliata |
47 |
| moneywort |
Lysimachia nummularia |
9 |
| Morrow's honeysuckle |
Lonicera morrowii |
1 |
| multiflora rose |
Rosa multiflora |
11 |
| narrowleaf bittercress |
Cardamine impatiens |
1 |
| Norway maple |
Acer platanoides |
30 |
| oakforest woodrush |
Luzula luzuloides |
1 |
| oriental bittersweet |
Celastrus orbiculatus |
3 |
| ornamental jewelweed |
Impatiens glandulifera |
25 |
| parrot feather milfoil |
Myriophyllum aquaticum |
9 |
| peppervine |
Ampelopsis spp. |
4 |
| perennial pepperweed |
Lepidium latifolium |
2 |
| princesstree |
Paulownia tomentosa |
11 |
| privet |
Ligustrum spp. |
4 |
| purple loosestrife |
Lythrum salicaria |
6 |
| red sorrel |
Rumex acetosella |
3 |
| reed canarygrass |
Phalaris arundinacea |
4 |
| Russian-olive |
Elaeagnus angustifolia |
9 |
| sacred bamboo |
Nandina domestica |
3 |
| Sakhalin corktree |
Phellodendron sachalinense |
3 |
| Sakhalin knotweed |
Fallopia sachalinensis |
10 |
| saltcedar |
Tamarix ramosissima |
16 |
| Scotch thistle |
Onopordum acanthium |
1 |
| Seaside rose |
Rosa rugosa |
9 |
| sericea lespedeza |
Lespedeza cuneata |
7 |
| small carpetgrass, joint-head grass |
Arthraxon hispidus |
3 |
| spotted knapweed |
Centaurea stoebe |
1 |
| star-of-Bethlehem |
Ornithogalum umbellatum |
6 |
| sweet autumn virginsbower |
Clematis terniflora |
1 |
| Sycamore maple |
Acer pseudoplatanus |
6 |
| tansy ragwort |
Senecio jacobaea |
2 |
| Tatarian honeysuckle |
Lonicera tatarica |
7 |
| Thunberg's geranium |
Geranium thunbergii |
20 |
| tree-of-heaven |
Ailanthus altissima |
51 |
| true forget-me-not |
Myosotis scorpioides |
4 |
| twoleaf watermilfoil |
Myriophyllum heterophyllum |
5 |
| wall lettuce |
Mycelis muralis |
3 |
| water-chestnut |
Trapa natans |
7 |
| waterlettuce |
Pistia stratiotes |
1 |
| watermoss |
Salvinia spp. |
4 |
| white poplar |
Populus alba |
19 |
| wild chervil |
Anthriscus sylvestris |
3 |
| wild parsnip |
Pastinaca sativa |
2 |
| wine raspberry |
Rubus phoenicolasius |
10 |
| winged burning bush |
Euonymus alatus |
6 |
