| giant salvinia |
Salvinia molesta D. S. Mitchell |
| hydrilla |
Hydrilla verticillata (L. f.) Royle |
| purple loosestrife |
Lythrum salicaria L. |
| Eurasian watermilfoil |
Myriophyllum spicatum L. |
| Mediterranean sage |
Salvia aethiopis L. |
| squarrose knapweed |
Centaurea virgata Lam. |
| yellow starthistle |
Centaurea solstitialis L. |
| rush skeletonweed |
Chondrilla juncea L. |
| common St. Johnswort |
Hypericum perforatum L. |
| common crupina |
Crupina vulgaris Cass. |
| sulfur cinquefoil |
Potentilla recta L. |
| goatsrue |
Galega officinalis L. |
| Dyer's woad |
Isatis tinctoria L. |
| jointed goatgrass |
Aegilops cylindrica Host |
| barb goatgrass |
Aegilops triuncialis L |
| camelthorn |
Alhagi maurorum Medik |
| flowering rush |
Butomus umbellatus L. |
| purple starthistle |
Centaurea calcitrapa L. |
| Iberian starthistle |
Centaurea iberica Trev. ex Spreng |
| Malta starthistle |
Centaurea melitensis L. |
| houndstongue |
Cynoglossum officinale L. |
| European wand loosestrife |
Lythrum virgatum L. |
| African rue |
Peganum harmala L. |
| crimson fountaingrass |
Cenchrus setaceus (Forssk.) Morrone |
| curly leaf pondweed |
Potamogeton crispus L. |
| Austrian fieldcress |
Rorippa austriaca (Crantz) Bess. |
| swainsonpea |
Sphaerophysa salsula (Pallas) DC. |
| medusahead |
Taeniatherum caput-medusae (L.) Nevski |
| ventenata |
Ventenata dubia (Leers) Coss. & Durieu |
| Syrian beancaper |
Zygophyllum fabago L. |
| buffelgrass |
Cenchrus ciliaris L. |
| leafy spurge |
Euphorbia virgata Waldst. & Kit. |
| Egyptian knapweed |
Volutaria tubuliflora (Murb.) |