zea mays, digitaria sanguinalis, echinochloa crus-galli, solanum nigrum, amaranthus retroflexus, calystegia sepium, equisetum ramosissimum, galega officinalis, lysimachia arvensis, medicago lupulina, persicaria lapathifolia, polygonum aviculare, sonchus oleraceus, sorghum halepense, stellaria media