argentina anserina, lolium perenne, matricaria discoidea, plantago major, matricaria chamomilla, verbena officinalis, anthemis cotula, capsella bursa-pastoris, erigeron canadensis, lepidium ruderale, medicago lupulina, poa annua, poa pratensis, trifolium repens, apera spica-venti, artemisia vulgaris, ballota nigra, cichorium intybus, lamium album, plantago lanceolata, poa palustris, poa trivialis, rumex crispus, geranium pusillum, lysimachia arvensis, medicago sativa, papaver rhoeas, sinapis arvensis