carduus acanthoides, xanthium spinosum, convolvulus arvensis, polygonum aviculare, amaranthus retroflexus, artemisia absinthium, cichorium intybus, cirsium vulgare, cynodon dactylon, dipsacus fullonum, erigeron canadensis, euphorbia esula, malva sylvestris, plantago major, sisymbrium officinale, xanthium strumarium