solanum nigrum, amaranthus retroflexus, arctium lappa, ballota nigra, carduus acanthoides, chenopodium album, galinsoga parviflora, malva neglecta, persicaria maculosa, daucus carota, echinochloa crus-galli, hordeum murinum, plantago lanceolata, poa pratensis, setaria pumila, sonchus oleraceus, trifolium repens