carduus acanthoides, lolium perenne, achillea millefolium, artemisia absinthium, ballota nigra, capsella bursa-pastoris, cichorium intybus, cirsium vulgare, convolvulus arvensis, cynodon dactylon, daucus carota, erigeron canadensis, erodium cicutarium, galium humifusum, lotus corniculatus, marrubium vulgare, medicago lupulina, onopordum acanthium, plantago lanceolata, plantago major, trifolium repens, verbena officinalis, xanthium strumarium