medicago lupulina, erigeron bonariensis, agrostis stolonifera, daucus carota, festuca bromoides, galega officinalis, lactuca serriola, lolium multiflorum, papaver rhoeas, andryala integrifolia, avena fatua, capsella bursa-pastoris, echinochloa crus-galli, plantago major, poa pratensis, rumex conglomeratus, sonchus oleraceus