cyclachaena xanthiifolia, atriplex tatarica, onopordum acanthium, arctium lappa, atriplex prostrata, ballota nigra, capsella bursa-pastoris, carduus acanthoides, centaurea solstitialis, cirsium vulgare, convolvulus arvensis, cuscuta campestris, echinochloa crus-galli, lactuca saligna, lepidium ruderale, lolium perenne, malva neglecta, medicago lupulina, plantago media, polygonum aviculare, puccinellia distans, setaria pumila, solanum nigrum, sonchus oleraceus, trifolium hybridum, trifolium pratense, tripleurospermum inodorum, xanthium spinosum, xanthium strumarium