erigeron canadensis, polygonum aviculare, lolium perenne, plantago major, setaria viridis, arctium lappa, atriplex tatarica, cynodon dactylon, plantago lanceolata, ballota nigra, capsella bursa-pastoris, chenopodium album, chondrilla juncea, convolvulus arvensis, lactuca serriola, lolium multiflorum, sonchus arvensis, urtica dioica, xanthium strumarium