carduus hamulosus, medicago lupulina, artemisia absinthium, berteroa incana, cirsium arvense, cirsium vulgare, convolvulus arvensis, cynodon dactylon, cynoglossum officinale, daucus carota, echium vulgare, erigeron canadensis, euphorbia esula, lotus corniculatus, plantago media, sonchus arvensis, trifolium pratense