xanthium strumarium, bidens tripartita, echinochloa crus-galli, althaea officinalis, amaranthus retroflexus, artemisia vulgaris, atriplex littoralis, atriplex prostrata, calystegia sepium, chenopodium album, cichorium intybus, cirsium arvense, convolvulus arvensis, daucus carota, digitaria sanguinalis, erigeron canadensis, hibiscus palustris, lotus tenuis, lycopus exaltatus, marrubium vulgare, plantago major, portulaca oleracea, rubus caesius, rumex stenophyllus, setaria pumila, solanum nigrum, sonchus oleraceus, tripleurospermum inodorum, verbena officinalis