xanthium strumarium, echinochloa crus-galli, amaranthus retroflexus, artemisia vulgaris, atriplex littoralis, atriplex prostrata, bidens tripartita, calystegia sepium, chenopodium album, cirsium arvense, convolvulus arvensis, digitaria sanguinalis, erigeron canadensis, hibiscus palustris, mentha longifolia, portulaca oleracea, rubus caesius, setaria pumila, sonchus oleraceus, verbascum blattaria, verbena officinalis