echinochloa crus-galli, persicaria lapathifolia, persicaria maculosa, persicaria pseudolapathum, digitaria sanguinalis, paspalum distichum, setaria pumila, amaranthus blitum, arrhenatherum elatius, citrullus lanatus, equisetum ramosissimum, leersia oryzoides, lipandra polysperma, paspalum dilatatum, rumex obtusifolius, solanum nigrum, zea mays