echinochloa crus-galli, setaria pumila, amaranthus retroflexus, digitaria sanguinalis, capsella bursa-pastoris, galinsoga parviflora, portulaca oleracea, rorippa amphibia, solanum nigrum, trifolium campestre, verbena officinalis, cichorium intybus, lysimachia arvensis, ranunculus arvensis, ranunculus repens, stachys recta