atriplex sagittata, artemisia absinthium, artemisia vulgaris, ballota nigra, bromus sterilis, capsella bursa-pastoris, chenopodium album, dactylis glomerata, descurainia sophia, erigeron canadensis, helianthus tuberosus, lactuca serriola, lepidium ruderale, polygonum aviculare, sinapis arvensis, sisymbrium loeselii, sisymbrium officinale