| absinth wormwood |
Artemisia absinthium |
1 |
| African mile-a-minute |
Mikania cordata |
4 |
| African mustard |
Brassica tournefortii |
1 |
| African rue |
Peganum harmala |
2 |
| air-potato |
Dioscorea bulbifera |
1 |
| alfombrilla |
Drymaria arenarioides |
1 |
| alligatorweed |
Alternanthera philoxeroides |
1 |
| annual sowthistle |
Sonchus oleraceus |
2 |
| apple-of-Peru |
Nicandra physalodes |
4 |
| arrowhead |
Sagittaria sagittifolia |
3 |
| asparagus |
Asparagus officinalis |
5 |
| barbwire Russian-thistle |
Salsola paulsenii |
1 |
| bird vetch |
Vicia cracca |
1 |
| birdsrape mustard |
Brassica rapa |
1 |
| bittersweet nightshade |
Solanum dulcamara |
27 |
| Black dog-strangling vine, black swallowwort |
Cynanchum louiseae |
16 |
| black henbane |
Hyoscyamus niger |
3 |
| black nightshade |
Solanum nigrum |
2 |
| blackdisk medick |
Medicago orbicularis |
1 |
| blackseed plantain |
Plantago rugelii |
7 |
| bladder campion |
Silene latifolia ssp. alba |
4 |
| bloodberry |
Rivina humilis |
1 |
| boneset |
Eupatorium perfoliatum |
2 |
| bracted plantain |
Plantago aristata |
1 |
| branched burreed |
Sparganium erectum |
4 |
| British yellowhead |
Inula britannica |
4 |
| broadleaf dock |
Rumex obtusifolius |
6 |
| broadleaf plantain |
Plantago major |
2 |
| broomleaf toadflax |
Linaria genistifolia |
1 |
| buckhorn plantain |
Plantago lanceolata |
3 |
| buffalobur |
Solanum rostratum |
5 |
| bull cottonthistle |
Onopordum tauricum |
4 |
| bull mallow |
Malva nicaeensis |
1 |
| bull thistle |
Cirsium vulgare |
5 |
| bur chervil |
Anthriscus caucalis |
2 |
| burcucumber |
Sicyos angulatus |
2 |
| butterfly milkweed |
Asclepias tuberosa |
7 |
| California arrowhead |
Sagittaria montevidensis |
1 |
| California burclover |
Medicago polymorpha |
7 |
| Canada thistle |
Cirsium arvense |
9 |
| capeweed |
Arctotheca calendula |
8 |
| catchweed bedstraw |
Galium aparine |
1 |
| chicory |
Cichorium intybus |
2 |
| Chinese sprangletop |
Leptochloa chinensis |
1 |
| Chinese thorn-apple |
Datura quercifolia |
1 |
| Chinese yam |
Dioscorea polystachya |
5 |
| clammy groundcherry |
Physalis heterophylla |
1 |
| clasping pepperweed |
Lepidium perfoliatum |
1 |
| climbing hempweed |
Mikania scandens |
2 |
| cluster dock |
Rumex conglomeratus |
1 |
| coat buttons |
Tridax procumbens |
4 |
| coltsfoot |
Tussilago farfara |
4 |
| common burdock |
Arctium minus |
2 |
| common cattail |
Typha latifolia |
1 |
| common chickweed |
Stellaria pallida |
1 |
| common cocklebur |
Xanthium strumarium |
8 |
| common cowparsnip |
Heracleum maximum |
1 |
| common crupina |
Crupina vulgaris |
5 |
| common evening-primrose |
Oenothera biennis |
1 |
| common groundsel |
Senecio vulgaris |
5 |
| common mallow |
Malva neglecta |
6 |
| common milkweed |
Asclepias syriaca |
7 |
| common mullein |
Verbascum thapsus |
1 |
| common pokeweed |
Phytolacca americana |
10 |
| common St. Johnswort |
Hypericum perforatum |
2 |
| common valerian |
Valeriana officinalis |
1 |
| common yarrow |
Achillea millefolium |
2 |
| corn buttercup |
Ranunculus arvensis |
2 |
| corn speedwell |
Veronica arvensis |
1 |
| Cornish mallow |
Lavatera cretica |
1 |
| creeping buttercup |
Ranunculus repens |
1 |
| creeping croftonweed |
Ageratina riparia |
2 |
| creeping woodsorrel |
Oxalis corniculata |
2 |
| croftonweed |
Ageratina adenophora |
4 |
| crownvetch |
Securigera varia |
5 |
| curly dock |
Rumex crispus |
9 |
| cutleaf geranium |
Geranium dissectum |
1 |
| cutleaf nightshade |
Solanum triflorum |
1 |
| cutleaf teasel |
Dipsacus laciniatus |
1 |
| cypress spurge |
Euphorbia cyparissias |
3 |
| Dalmatian toadflax |
Linaria dalmatica |
2 |
| damesrocket |
Hesperis matronalis |
1 |
| dandelion |
Taraxacum officinale |
2 |
| dandelion |
Taraxacum spp. |
1 |
| devil's-claw |
Proboscidea louisianica |
3 |
| devils beggarticks |
Bidens frondosa |
1 |
| dog-strangling vine, European swallowwort |
Cynanchum rossicum |
8 |
| Douglas iris |
Iris douglasiana |
1 |
| dovefoot geranium |
Geranium molle |
1 |
| Drummond's beeblossom |
Gaura drummondii |
1 |
| duck-lettuce |
Ottelia alismoides |
1 |
| Dyer's woad |
Isatis tinctoria |
7 |
| European stinging nettle |
Urtica dioica ssp. dioica |
2 |
| evening-primrose |
Oenothera spp. |
1 |
| field bindweed |
Convolvulus arvensis |
3 |
| field dodder |
Cuscuta pentagona |
1 |
| field pennycress |
Thlaspi arvense |
2 |
| field pepperweed |
Lepidium campestre |
1 |
| fireweed |
Chamerion angustifolium |
1 |
| flixweed |
Descurainia sophia |
1 |
| flowering rush |
Butomus umbellatus |
1 |
| fringed willowherb |
Epilobium ciliatum ssp. ciliatum |
1 |
| garden loosestrife |
Lysimachia vulgaris |
1 |
| garlic mustard |
Alliaria petiolata |
13 |
| Geraldton carnation weed |
Euphorbia terracina |
1 |
| giant hogweed |
Heracleum mantegazzianum |
8 |
| giant reed |
Arundo donax |
1 |
| goatsbeard |
Tragopogon spp. |
4 |
| goatsrue |
Galega officinalis |
3 |
| goldenrod |
Solidago spp. |
1 |
| great burdock |
Arctium lappa |
1 |
| greater ammi |
Ammi majus |
1 |
| greater celandine |
Chelidonium majus |
8 |
| groundcherries |
Physalis spp. |
3 |
| hairy beggarticks |
Bidens pilosa |
1 |
| hairy cat's ear |
Hypochaeris radicata |
1 |
| hairy nightshade |
Solanum physalifolium |
4 |
| hairy purslane speedwell |
Veronica peregrina ssp. xalapensis |
1 |
| hairy willowherb |
Epilobium hirsutum |
1 |
| hawkweeds |
Hieracium spp. |
2 |
| healall |
Prunella vulgaris |
2 |
| hemp dogbane |
Apocynum cannabinum |
2 |
| high mallow |
Malva sylvestris |
1 |
| hoary cress |
Lepidium draba |
1 |
| honeyvine swallowwort |
Cynanchum laeve |
1 |
| Hooker's evening primrose |
Oenothera elata ssp. hookeri |
1 |
| horse thistle |
Onopordum acaulon |
4 |
| horsenettle |
Solanum carolinense |
3 |
| houndstongue |
Cynoglossum officinale |
2 |
| Illyrian cottonthistle |
Onopordum illyricum |
3 |
| Jamaican nightshade |
Solanum jamaicense |
1 |
| Japanese hedgeparsley |
Torilis japonica |
2 |
| Japanese knotweed |
Fallopia japonica |
26 |
| Jerusalem artichoke |
Helianthus tuberosus |
1 |
| jimsonweed |
Datura stramonium |
43 |
| Kahila garland-lily |
Hedychium gardnerianum |
1 |
| Kerner's dock |
Rumex kerneri |
2 |
| large hop clover |
Trifolium campestre |
1 |
| largeseed dodder |
Cuscuta indecora |
1 |
| leafy spurge |
Euphorbia esula |
1 |
| lesser celandine, fig buttercup |
Ficaria verna |
1 |
| limnophila |
Limnophila sessiliflora |
2 |
| little mallow |
Malva parviflora |
1 |
| Madagascar ragwort |
Senecio madagascariensis |
4 |
| Mediterranean saltwort |
Salsola vermiculata |
7 |
| Mexican whorled milkweed |
Asclepias fascicularis |
1 |
| miramar weed |
Hygrophila polysperma |
1 |
| monkeygrass |
Liriope muscari |
5 |
| monochoria |
Monochoria vaginalis |
1 |
| moth mullein |
Verbascum blattaria |
5 |
| motherwort |
Leonurus cardiaca |
6 |
| mugwort |
Artemisia vulgaris |
1 |
| mulberryweed |
Fatoua villosa |
1 |
| musk mallow |
Malva moschata |
3 |
| musk okra |
Abelmoschus moschatus |
1 |
| musk thistle |
Carduus nutans |
1 |
| New Zealand geranium |
Geranium retrorsum |
1 |
| nightblooming cactus |
Hylocereus undatus |
1 |
| nightshade |
Solanum spp. |
1 |
| onerow yellowcress |
Nasturtium microphyllum |
3 |
| onionweed |
Asphodelus fistulosus |
3 |
| orange hawkweed |
Hieracium aurantiacum |
3 |
| orbicular whitetop |
Lepidium chalepense |
2 |
| ornamental jewelweed |
Impatiens glandulifera |
2 |
| oxeye daisy |
Leucanthemum vulgare |
2 |
| Palmer amaranth |
Amaranthus palmeri |
8 |
| panicle willowherb |
Epilobium brachycarpum |
1 |
| perennial pepperweed |
Lepidium latifolium |
1 |
| perennial sowthistle |
Sonchus arvensis |
12 |
| perilla mint |
Perilla frutescens |
11 |
| plantains |
Plantago spp. |
1 |
| poison-hemlock |
Conium maculatum |
1 |
| prickly lettuce |
Lactuca serriola |
8 |
| purple loosestrife |
Lythrum salicaria |
1 |
| purple moonflower |
Ipomoea turbinata |
2 |
| purple starthistle |
Centaurea calcitrapa |
1 |
| purplestamen mullein |
Verbascum virgatum |
1 |
| rattlesnake plant |
Calathea crotalifera |
2 |
| red sorrel |
Rumex acetosella |
3 |
| redstem filaree |
Erodium cicutarium |
2 |
| Rocky Mountain iris |
Iris missouriensis |
1 |
| rough peavine |
Lathyrus hirsutus |
1 |
| ruscus |
Ruscus spp. |
1 |
| rush skeletonweed |
Chondrilla juncea |
2 |
| Russian knapweed |
Rhaponticum repens |
6 |
| Russian thistle |
Salsola kali |
2 |
| Russian-thistle |
Salsola tragus |
4 |
| safflower |
Carthamus tinctorius |
2 |
| Sakhalin knotweed |
Fallopia sachalinensis |
4 |
| scarlet gaura |
Gaura coccinea |
1 |
| Scotch thistle |
Onopordum acanthium |
4 |
| sericea lespedeza |
Lespedeza cuneata |
1 |
| sessile joyweed |
Alternanthera sessilis |
1 |
| shepherd's-purse |
Capsella bursa-pastoris |
8 |
| shortfruit stork's bill |
Erodium brachycarpum |
1 |
| showy rattlebox |
Crotalaria spectabilis |
1 |
| shrubby lespedeza |
Lespedeza bicolor |
2 |
| silverleaf nightshade |
Solanum elaeagnifolium |
2 |
| slender false garlic |
Nothoscordum gracile |
1 |
| small broomrape |
Orobanche minor |
1 |
| smooth bedstraw |
Cruciata laevipes |
1 |
| smooth bedstraw |
Galium mollugo |
2 |
| smooth groundcherry |
Physalis longifolia var. subglabrata |
1 |
| South African ragwort |
Senecio inaequidens |
5 |
| spiny emex |
Emex spinosa |
1 |
| spotted joe pye weed |
Eupatoriadelphus maculatus |
1 |
| spotted knapweed |
Centaurea stoebe ssp. micranthos |
6 |
| St. Johnswort |
Hypericum spp. |
2 |
| strawberry groundcherry |
Physalis alkekengi |
1 |
| sulfur cinquefoil |
Potentilla recta |
1 |
| swamp dodder |
Cuscuta gronovii |
1 |
| swamp milkweed |
Asclepias incarnata |
8 |
| Syrian beancaper |
Zygophyllum fabago |
3 |
| tall buttercup |
Ranunculus acris |
1 |
| tall lettuce |
Lactuca canadensis |
1 |
| tansy ragwort |
Senecio jacobaea |
1 |
| tawny daylily |
Hemerocallis fulva |
2 |
| three-cornered jack |
Emex australis |
1 |
| Thunberg's geranium |
Geranium thunbergii |
6 |
| ticktrefoils |
Desmodium spp. |
1 |
| toadflax |
Linaria spp. |
2 |
| toothed dock |
Rumex dentatus |
1 |
| toothpick ammi |
Ammi visnaga |
1 |
| turkeyberry |
Solanum torvum |
3 |
| twolobe speedwell |
Veronica biloba |
1 |
| velvetleaf |
Abutilon theophrasti |
7 |
| Venice mallow |
Hibiscus trionum |
1 |
| venus-comb |
Scandix pecten-veneris |
1 |
| Virginia pepperweed |
Lepidium virginicum |
2 |
| wall bedstraw |
Galium parisiense |
1 |
| wall lettuce |
Mycelis muralis |
1 |
| West Indian nightshade |
Solanum ptycanthum |
8 |
| western salsify |
Tragopogon dubius |
9 |
| white horehound |
Marrubium vulgare |
1 |
| wild carrot |
Daucus carota ssp. carota |
1 |
| wild celery |
Cyclospermum leptophyllum |
1 |
| wild chervil |
Anthriscus sylvestris |
3 |
| wild four-o'clock |
Mirabilis nyctaginea |
5 |
| wild garlic |
Allium vineale |
4 |
| wild mustard |
Sinapis arvensis |
2 |
| wild onion |
Allium canadense |
2 |
| wild parsnip |
Pastinaca sativa |
2 |
| wild safflower |
Carthamus oxyacanthus |
3 |
| winged yam |
Dioscorea alata |
1 |
| yellow starthistle |
Centaurea solstitialis |
2 |
| yellow sweetclover |
Melilotus officinalis |
2 |
| yellow toadflax |
Linaria vulgaris |
3 |
| yellow unicorn-plant |
Ibicella lutea |
4 |
| yellowflag iris |
Iris pseudacorus |
18 |
| yellowspine thistle |
Cirsium ochrocentrum |
1 |
| yerba de hierro |
Melasma melampyroides |
1 |