convolvulus arvensis, amaranthus retroflexus, arctium lappa, artemisia vulgaris, ballota nigra, capsella bursa-pastoris, erigeron canadensis, erodium cicutarium, hordeum murinum, lamium amplexicaule, lepidium draba, lolium perenne, setaria viridis, stellaria media, torilis arvensis, veronica polita, atriplex patula, chenopodium album, echinochloa crus-galli, poa compressa