text: echinochloa crus-galli, poa compressa, digitaria sanguinalis, paspalum dilatatum, paspalum vaginatum, rumex obtusifolius, bromus catharticus, convolvulus arvensis, cyperus eragrostis, cyperus rotundus, erigeron bonariensis, euphorbia prostrata, oxalis corniculata, panicum capillare, plantago lanceolata, setaria pumila, trifolium repens