| Amur silvergrass |
Miscanthus sacchariflorus |
6 |
| Asiatic dayflower |
Commelina communis |
1 |
| autumn-olive |
Elaeagnus umbellata |
13 |
| bahiagrass |
Paspalum notatum |
1 |
| barberry |
Mahonia spp. |
2 |
| barnyardgrass |
Echinochloa crus-galli |
1 |
| beach vitex |
Vitex rotundifolia |
3 |
| Benghal dayflower |
Commelina benghalensis |
3 |
| bermudagrass |
Cynodon dactylon |
1 |
| big periwinkle |
Vinca major |
2 |
| bigroot morningglory |
Ipomoea pandurata |
1 |
| bishops goutweed |
Aegopodium podagraria |
4 |
| bitter sneezeweed |
Helenium amarum |
1 |
| Black dog-strangling vine, black swallowwort |
Cynanchum louiseae |
7 |
| bladder campion |
Silene latifolia ssp. alba |
6 |
| bloodscale sedge |
Cyperus sanguinolentus |
1 |
| blue panicum |
Panicum antidotale |
1 |
| Boston swordfern |
Nephrolepis exaltata |
1 |
| bulbous bluegrass |
Poa bulbosa |
1 |
| Canada bluegrass |
Poa compressa |
3 |
| cheatgrass |
Bromus tectorum |
4 |
| Chinese privet |
Ligustrum sinense |
1 |
| Chinese silvergrass |
Miscanthus sinensis |
3 |
| Chinese yam |
Dioscorea polystachya |
1 |
| chufa flatsedge |
Cyperus esculentus var. leptostachyus |
1 |
| climbing fern |
Lygodium spp. |
4 |
| coco yam, wild taro |
Colocasia esculenta |
2 |
| cogongrass |
Imperata cylindrica |
12 |
| coltsfoot |
Tussilago farfara |
5 |
| common comfrey |
Symphytum officinale |
2 |
| common mullein |
Verbascum thapsus |
3 |
| common pokeweed |
Phytolacca americana |
2 |
| common reed |
Phragmites australis |
3 |
| common St. Johnswort |
Hypericum perforatum |
1 |
| creeping buttercup |
Ranunculus repens |
3 |
| crested latesummer mint |
Elsholtzia ciliata |
4 |
| croftonweed |
Ageratina adenophora |
1 |
| cypress spurge |
Euphorbia cyparissias |
1 |
| damesrocket |
Hesperis matronalis |
2 |
| daylily |
Hemerocallis spp. |
1 |
| deertongue |
Dichanthelium clandestinum |
3 |
| dog-strangling vine, European swallowwort |
Cynanchum rossicum |
5 |
| Dyer's woad |
Isatis tinctoria |
1 |
| European pepperwort |
Marsilea quadrifolia |
6 |
| flowering rush |
Butomus umbellatus |
4 |
| garlic mustard |
Alliaria petiolata |
12 |
| giant hogweed |
Heracleum mantegazzianum |
6 |
| giant salvinia |
Salvinia molesta |
2 |
| glossy buckthorn |
Frangula alnus |
8 |
| goldenrod |
Solidago spp. |
2 |
| great yellowcress |
Rorippa amphibia |
11 |
| greater celandine |
Chelidonium majus |
8 |
| ground ivy |
Glechoma hederacea |
7 |
| hairy bittercress |
Cardamine hirsuta |
8 |
| hairy white oldfield aster |
Symphyotrichum pilosum var. pilosum |
1 |
| healall |
Prunella vulgaris |
1 |
| hemp dogbane |
Apocynum cannabinum |
3 |
| honeyvine swallowwort |
Cynanchum laeve |
1 |
| houndstongue |
Cynoglossum officinale |
1 |
| Japanese climbing fern |
Lygodium japonicum |
2 |
| Japanese knotweed |
Fallopia japonica |
4 |
| Japanese sedge |
Carex kobomugi |
6 |
| Japanese stiltgrass |
Microstegium vimineum |
10 |
| Jerusalem artichoke |
Helianthus tuberosus |
2 |
| johnsongrass |
Sorghum halepense |
12 |
| large crabgrass |
Digitaria sanguinalis |
1 |
| leafy spurge |
Euphorbia esula |
4 |
| leatherleaf mahonia |
Mahonia bealei |
1 |
| lesser celandine, fig buttercup |
Ficaria verna |
5 |
| mile-a-minute weed |
Persicaria perfoliata |
9 |
| mugwort |
Artemisia vulgaris |
1 |
| multiflora rose |
Rosa multiflora |
1 |
| narrow swordfern |
Nephrolepis cordifolia |
1 |
| narrowleaf bittercress |
Cardamine impatiens |
4 |
| nimblewill |
Muhlenbergia schreberi |
2 |
| oriental bittersweet |
Celastrus orbiculatus |
11 |
| ornamental jewelweed |
Impatiens glandulifera |
20 |
| oxeye daisy |
Leucanthemum vulgare |
1 |
| perennial pepperweed |
Lepidium latifolium |
3 |
| perennial sowthistle |
Sonchus arvensis |
1 |
| potato |
Solanum tuberosum |
2 |
| quackgrass |
Elymus repens |
3 |
| red sorrel |
Rumex acetosella |
3 |
| reed canarygrass |
Phalaris arundinacea |
23 |
| reed mannagrass |
Glyceria maxima |
15 |
| Rocky Mountain iris |
Iris missouriensis |
1 |
| rush skeletonweed |
Chondrilla juncea |
1 |
| sensitive fern |
Onoclea sensibilis |
3 |
| slender false garlic |
Nothoscordum gracile |
1 |
| slender rush |
Juncus tenuis |
1 |
| slender snakecotton |
Froelichia gracilis |
2 |
| small broomrape |
Orobanche minor |
4 |
| small carpetgrass, joint-head grass |
Arthraxon hispidus |
3 |
| spotted knapweed |
Centaurea stoebe |
6 |
| spotted knapweed |
Centaurea stoebe ssp. micranthos |
1 |
| star-of-Bethlehem |
Ornithogalum umbellatum |
1 |
| stinkgrass |
Eragrostis cilianensis |
1 |
| tall fescue |
Festuca arundinacea |
4 |
| tawny daylily |
Hemerocallis fulva |
3 |
| Thunberg's geranium |
Geranium thunbergii |
7 |
| timothy |
Phleum pratense |
1 |
| vaseygrass |
Paspalum urvillei |
3 |
| water knotweed |
Polygonum amphibium |
2 |
| waterhyacinth |
Eichhornia crassipes |
1 |
| waterlettuce |
Pistia stratiotes |
1 |
| white poplar |
Populus alba |
4 |
| wild chervil |
Anthriscus sylvestris |
6 |
| wild four-o'clock |
Mirabilis nyctaginea |
4 |
| wild garlic |
Allium vineale |
4 |
| wild onion |
Allium canadense |
2 |
| wild parsnip |
Pastinaca sativa |
1 |
| winter creeper |
Euonymus fortunei var. radicans |
1 |
| wirestem muhly |
Muhlenbergia frondosa |
5 |
| yellow hornpoppy |
Glaucium flavum |
1 |
| yellow nutsedge |
Cyperus esculentus |
3 |
| yellow toadflax |
Linaria vulgaris |
1 |
| yellowflag iris |
Iris pseudacorus |
9 |