ambrosia artemisiifolia, chenopodium album, echinochloa crus-galli, lipandra polysperma, persicaria lapathifolia, persicaria maculosa, galinsoga parviflora, matricaria chamomilla, medicago lupulina, setaria pumila, capsella bursa-pastoris, polygonum aviculare, veronica persica, lactuca serriola, rorippa palustris, rumex obtusifolius