| giant salvinia |
Salvinia molesta D. S. Mitchell |
Salviniaceae |
Hydropteridales |
| Canada thistle |
Cirsium arvense (L.) Scop. |
Asteraceae |
Asterales |
| tree-of-heaven |
Ailanthus altissima (P. Mill.) Swingle |
Simaroubaceae |
Sapindales |
| giant reed |
Arundo donax L. |
Poaceae |
Cyperales |
| musk thistle, nodding thistle |
Carduus nutans L. |
Asteraceae |
Asterales |
| spotted knapweed |
Centaurea stoebe ssp. micranthos (Gugler) Hayek |
Asteraceae |
Asterales |
| common teasel |
Dipsacus fullonum L. |
Dipsacaceae |
Dipsacales |
| Russian olive |
Elaeagnus angustifolia L. |
Elaeagnaceae |
Rhamnales |
| 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 |
| tamarisk |
Tamarix spp. L. |
Tamaricaceae |
Violales |
| bull thistle |
Cirsium vulgare (Savi) Ten. |
Asteraceae |
Asterales |
| Siberian elm |
Ulmus pumila L. |
Ulmaceae |
Urticales |
| yellow toadflax |
Linaria vulgaris P. Mill. |
Scrophulariaceae |
Scrophulariales |
| poison hemlock |
Conium maculatum L. |
Apiaceae |
Apiales |
| Russian knapweed |
Rhaponticum repens (L.) Hidalgo |
Asteraceae |
Asterales |
| yellow starthistle |
Centaurea solstitialis L. |
Asteraceae |
Asterales |
| Scotch thistle |
Onopordum acanthium L. |
Asteraceae |
Asterales |
| diffuse knapweed |
Centaurea diffusa Lam. |
Asteraceae |
Asterales |
| Dyer's woad |
Isatis tinctoria L. |
Brassicaceae |
Capparales |
| jointed goatgrass |
Aegilops cylindrica Host |
Poaceae |
Cyperales |
| camelthorn |
Alhagi maurorum Medik |
Fabaceae |
Fabales |
| cheatgrass, downy brome |
Bromus tectorum L. |
Poaceae |
Cyperales |
| hoary cress |
Lepidium draba (L.) Desv |
Brassicaceae |
Capparales |
| purple starthistle |
Centaurea calcitrapa L. |
Asteraceae |
Asterales |
| Malta starthistle |
Centaurea melitensis L. |
Asteraceae |
Asterales |
| alpine knapweed, Tyrol knapweed |
Centaurea nigrescens Willd |
Asteraceae |
Asterales |
| chicory |
Cichorium intybus L. |
Asteraceae |
Asterales |
| Uruguayan pampas grass |
Cortaderia selloana (Schult. & Schult. f.) Asch. & Graebn. |
Poaceae |
Cyperales |
| quackgrass |
Elymus repens (L.) Gould |
Poaceae |
Cyperales |
| myrtle spurge |
Euphorbia myrsinites L |
Euphorbiaceae |
Euphorbiales |
| halogeton, saltlover |
Halogeton glomeratus (Bieb.) C.A. Mey. |
Chenopodiaceae |
Caryophyllales |
| black henbane |
Hyoscyamus niger L. |
Solanaceae |
Solanales |
| perennial pepperweed |
Lepidium latifolium L. |
Brassicaceae |
Capparales |
| oxeye daisy |
Leucanthemum vulgare Lam. |
Asteraceae |
Asterales |
| Dalmatian toadflax |
Linaria dalmatica (L.) P. Mill. |
Scrophulariaceae |
Scrophulariales |
| African rue |
Peganum harmala L. |
Zygophyllaceae |
Sapindales |
| crimson fountaingrass |
Cenchrus setaceus (Forssk.) Morrone |
Poaceae |
Cyperales |
| curly leaf pondweed |
Potamogeton crispus L. |
Potamogetonaceae |
Najadales |
| spiny cocklebur |
Xanthium spinosum L. |
Asteraceae |
Asterales |
| pepperweed |
Lepidium spp. |
Brassicaceae |
Capparales |
| yellow bluestem |
Bothriochloa ischaemum (L.) Keng |
Poaceae |
Cyperales |
| mayweed, scentless chamomile |
Tripleurospermum inodorum (L.) Sch. Bip. |
Asteraceae |
Asterales |
| ravennagrass |
Saccharum ravennae L. |
Poaceae |
Cyperales |
| buffelgrass |
Cenchrus ciliaris L. |
Poaceae |
Cyperales |
| leafy spurge |
Euphorbia virgata Waldst. & Kit. |
Euphorbiaceae |
Euphorbiales |
