descurainia sophia, chenopodium album, ballota nigra, capsella bursa-pastoris, erigeron canadensis, erysimum cheiranthoides, fallopia convolvulus, lamium maculatum, lepidium ruderale, lolium perenne, mercurialis annua, phleum pratense, senecio viscosus, senecio vulgaris, sisymbrium loeselii, sonchus arvensis, tripleurospermum inodorum, chaenorhinum minus