amaranthus retroflexus, bidens tripartita, digitaria sanguinalis, echinochloa crus-galli, persicaria maculosa, xanthium orientale, acalypha virginica, chenopodium album, erigeron annuus, setaria pumila, solanum nigrum, anthemis arvensis, cichorium intybus, equisetum arvense, trifolium repens