solanum tuberosum, atriplex patula, capsella bursa-pastoris, chenopodium album, cirsium arvense, convolvulus arvensis, echinochloa crus-galli, equisetum arvense, galinsoga parviflora, lipandra polysperma, mercurialis annua, persicaria maculosa, polygonum aviculare, senecio vulgaris, sonchus oleraceus, symphytum officinale, veronica persica