| giant salvinia |
Salvinia molesta D. S. Mitchell |
Salviniaceae |
Hydropteridales |
| Canada thistle |
Cirsium arvense (L.) Scop. |
Asteraceae |
Asterales |
| musk thistle, nodding thistle |
Carduus nutans L. |
Asteraceae |
Asterales |
| Brazilian waterweed, Brazilian elodea |
Egeria densa Planch. |
Hydrocharitaceae |
Hydrocharitales |
| hydrilla |
Hydrilla verticillata (L. f.) Royle |
Hydrocharitaceae |
Hydrocharitales |
| purple loosestrife |
Lythrum salicaria L. |
Lythraceae |
Myrtales |
| parrotfeather |
Myriophyllum aquaticum (Vell.) Verdc. |
Haloragaceae |
Haloragales |
| Eurasian watermilfoil |
Myriophyllum spicatum L. |
Haloragaceae |
Haloragales |
| common reed |
Phragmites australis (Cavanilles) Trinius ex Steudel |
Poaceae |
Cyperales |
| johnsongrass |
Sorghum halepense (L.) Pers. |
Poaceae |
Cyperales |
| tamarisk |
Tamarix spp. L. |
Tamaricaceae |
Violales |
| spiny plumeless thistle, plumeless thistle |
Carduus acanthoides L. |
Asteraceae |
Asterales |
| European water chestnut |
Trapa natans L. |
Trapaceae |
Myrtales |
| yellow toadflax |
Linaria vulgaris P. Mill. |
Scrophulariaceae |
Scrophulariales |
| puncturevine |
Tribulus terrestris L. |
Zygophyllaceae |
Sapindales |
| field bindweed |
Convolvulus arvensis L. |
Convolvulaceae |
Solanales |
| Mediterranean sage |
Salvia aethiopis L. |
Lamiaceae |
Lamiales |
| poison hemlock |
Conium maculatum L. |
Apiaceae |
Apiales |
| squarrose knapweed |
Centaurea virgata Lam. |
Asteraceae |
Asterales |
| Russian knapweed |
Rhaponticum repens (L.) Hidalgo |
Asteraceae |
Asterales |
| yellow starthistle |
Centaurea solstitialis L. |
Asteraceae |
Asterales |
| rush skeletonweed |
Chondrilla juncea L. |
Asteraceae |
Asterales |
| Scotch broom |
Cytisus scoparius (L.) Link |
Fabaceae |
Fabales |
| common crupina |
Crupina vulgaris Cass. |
Asteraceae |
Asterales |
| meadow hawkweed |
Hieracium caespitosum Dumort. |
Asteraceae |
Asterales |
| Scotch thistle |
Onopordum acanthium L. |
Asteraceae |
Asterales |
| diffuse knapweed |
Centaurea diffusa Lam. |
Asteraceae |
Asterales |
| giant hogweed |
Heracleum mantegazzianum Sommier & Levier |
Apiaceae |
Apiales |
| Dyer's woad |
Isatis tinctoria L. |
Brassicaceae |
Capparales |
| feathered mosquito-fern |
Azolla pinnata R. Brown |
Salviniaceae |
Hydropteridales |
| jointed goatgrass |
Aegilops cylindrica Host |
Poaceae |
Cyperales |
| small bugloss |
Anchusa arvensis (L.) Bieb |
Boraginaceae |
Lamiales |
| hoary alyssum |
Berteroa incana (L.) DC |
Brassicaceae |
Capparales |
| white bryony |
Bryonia alba L. |
Cucurbitaceae |
Violales |
| flowering rush |
Butomus umbellatus L. |
Butomaceae |
Alismatales |
| Carolina fanwort, fanwort |
Cabomba caroliniana A. Gray |
Cabombaceae |
Nymphaeales |
| hoary cress |
Lepidium draba (L.) Desv |
Brassicaceae |
Capparales |
| houndstongue |
Cynoglossum officinale L. |
Boraginaceae |
Lamiales |
| common viper's bugloss, blueweed |
Echium vulgare L. |
Boraginaceae |
Lamiales |
| black henbane |
Hyoscyamus niger L. |
Solanaceae |
Solanales |
| pale yellow iris, yellow flag iris |
Iris pseudacorus L. |
Iridaceae |
Liliales |
| perennial pepperweed |
Lepidium latifolium L. |
Brassicaceae |
Capparales |
| oxeye daisy |
Leucanthemum vulgare Lam. |
Asteraceae |
Asterales |
| Dalmatian toadflax |
Linaria dalmatica (L.) P. Mill. |
Scrophulariaceae |
Scrophulariales |
| spring millet |
Milium vernale Bieb. |
Poaceae |
Cyperales |
| matgrass |
Nardus stricta L. |
Poaceae |
Cyperales |
| curly leaf pondweed |
Potamogeton crispus L. |
Potamogetonaceae |
Najadales |
| perennial sowthistle |
Sonchus arvensis L. |
Asteraceae |
Asterales |
| buffalobur |
Solanum rostratum Dunal |
Solanaceae |
Solanales |
| Syrian beancaper |
Zygophyllum fabago L. |
Zygophyllaceae |
Sapindales |
| kingdevil hawkweed |
Hieracium piloselloides Vill. |
Asteraceae |
Asterales |
| European frog-bit |
Hydrocharis morsus-ranae L. |
Hydrocharitaceae |
Hydrocharitales |
| Himalayan balsam |
Impatiens glandulifera Royle |
Balsaminaceae |
Geraniales |
| twoleaf watermilfoil |
Myriophyllum heterophyllum Michx. |
Haloragaceae |
Haloragales |
| yellow floating heart |
Nymphoides peltata (S.G. Gmel.) Kuntze |
Menyanthaceae |
Solanales |
| Japanese knotweed |
Reynoutria japonica Sieb. & Zucc. |
Polygonaceae |
Polygonales |
| giant knotweed |
Reynoutria sachalinensis F. Schmidt ex Maxim. |
Polygonaceae |
Polygonales |
| Bohemian knotweed, Hybrid Japanese knotweed |
Reynoutria x bohemica Chrtek & Chrtková |
Polygonaceae |
Polygonales |
| tansy ragwort |
Jacobaea vulgaris Gaertn. |
Asteraceae |
Asterales |
| leafy spurge |
Euphorbia virgata Waldst. & Kit. |
Euphorbiaceae |
Euphorbiales |
| orange hawkweed |
Pilosella aurantiaca (L.) F. W. Schultz & Sch. Bip. |
Asteraceae |
Asterales |
| common water hyacinth |
Pontederia crassipes Martius |
Pontederiaceae |
Liliales |
