erigeron sumatrensis, daucus carota, erigeron canadensis, anthemis arvensis, atriplex patula, beta vulgaris, carduus pycnocephalus, cynodon dactylon, heliotropium europaeum, helminthotheca echioides, petrorhagia prolifera, plantago lanceolata, pulicaria vulgaris, raphanus raphanistrum, rumex pulcher, sonchus tenerrimus, symphyotrichum squamatum, verbascum blattaria