helminthotheca echioides, echium rosulatum, erigeron sumatrensis, agrostis dimorpholemma, cirsium vulgare, dysphania ambrosioides, lactuca serriola, symphyotrichum squamatum, trifolium repens, avena barbata, bidens frondosa, chenopodium album, cladanthus mixtus, dactylis glomerata, daucus carota, foeniculum vulgare, hordeum murinum, lapsana communis, oenothera biennis, rumex obtusifolius, sonchus oleraceus