helminthotheca echioides, echium rosulatum, foeniculum vulgare, galium aparine, agrostis stolonifera, cirsium vulgare, daucus carota, mentha suaveolens, panicum repens, parietaria judaica, paspalum vaginatum, pteridium aquilinum, rubus ulmifolius, calystegia sepium, lactuca virosa, medicago lupulina, medicago polymorpha, oenanthe crocata, solanum nigrum