zea mays, solanum nigrum, calystegia sepium, convolvulus arvensis, echinochloa crus-galli, equisetum ramosissimum, amaranthus retroflexus, chenopodium album, cirsium arvense, digitaria sanguinalis, geranium molle, helminthotheca echioides, lysimachia arvensis, marrubium vulgare, matricaria chamomilla, persicaria lapathifolia, persicaria maculosa, plantago major, polygonum aviculare, portulaca oleracea, setaria viridis, sonchus oleraceus, verbena officinalis, veronica hederifolia, prunella vulgaris, symphyotrichum squamatum