senecio viscosus, erigeron canadensis, lactuca serriola, sonchus oleraceus, poa annua, rumex crispus, capsella bursa-pastoris, chenopodium album, cirsium arvense, plantago major, sisymbrium officinale, tussilago farfara, atriplex sagittata, epilobium tetragonum, euphorbia peplus, galinsoga parviflora, lepidium ruderale, oxybasis glauca, salix caprea, sisymbrium altissimum, solanum nigrum, tanacetum vulgare