| Black dog-strangling vine, black swallowwort |
Cynanchum louiseae |
7 |
| bristly oxtongue |
Helminthotheca echioides |
1 |
| bull thistle |
Cirsium vulgare |
1 |
| Canada thistle |
Cirsium arvense |
1 |
| capeweed |
Arctotheca calendula |
1 |
| coltsfoot |
Tussilago farfara |
2 |
| common St. Johnswort |
Hypericum perforatum |
1 |
| crested latesummer mint |
Elsholtzia ciliata |
1 |
| crystalline iceplant |
Mesembryanthemum crystallinum |
1 |
| diffuse knapweed |
Centaurea diffusa |
3 |
| dog-strangling vine, European swallowwort |
Cynanchum rossicum |
1 |
| Dyer's woad |
Isatis tinctoria |
1 |
| field bindweed |
Convolvulus arvensis |
1 |
| flixweed |
Descurainia sophia |
1 |
| garlic mustard |
Alliaria petiolata |
3 |
| giant hogweed |
Heracleum mantegazzianum |
5 |
| greater ammi |
Ammi majus |
1 |
| hoary cress |
Lepidium draba |
1 |
| horseweed |
Conyza canadensis |
1 |
| hottentot fig |
Carpobrotus edulis |
1 |
| houndstongue |
Cynoglossum officinale |
4 |
| Japanese knotweed |
Fallopia japonica |
5 |
| Jersey cudweed |
Pseudognaphalium luteoalbum |
1 |
| jimsonweed |
Datura stramonium |
2 |
| low amaranth |
Amaranthus deflexus |
1 |
| marijuana |
Cannabis sativa |
1 |
| musk thistle |
Carduus nutans |
1 |
| perennial pepperweed |
Lepidium latifolium |
1 |
| poison-hemlock |
Conium maculatum |
1 |
| purple loosestrife |
Lythrum salicaria |
3 |
| purple starthistle |
Centaurea calcitrapa |
1 |
| Queen Anne's lace, wild carrot |
Daucus carota |
1 |
| radish |
Raphanus sativus |
1 |
| red sandspurry |
Spergularia rubra |
1 |
| rush skeletonweed |
Chondrilla juncea |
1 |
| Russian knapweed |
Rhaponticum repens |
1 |
| Sakhalin knotweed |
Fallopia sachalinensis |
2 |
| showy dewflower |
Drosanthemum floribundum |
1 |
| slender snakecotton |
Froelichia gracilis |
1 |
| stinking chamomile |
Anthemis cotula |
1 |
| tansy ragwort |
Senecio jacobaea |
1 |
| toothpick ammi |
Ammi visnaga |
1 |
| watercresses and yellowcresses |
Nasturtium spp. |
2 |
| woodland groundsel |
Senecio sylvaticus |
1 |
| yellow starthistle |
Centaurea solstitialis |
3 |
