echinochloa crus-galli, amaranthus hybridus, chenopodium album, datura stramonium, poa annua, setaria faberi, setaria verticillata, amaranthus retroflexus, digitaria sanguinalis, helminthotheca echioides, panicum dichotomiflorum, persicaria lapathifolia, sonchus oleraceus, symphyotrichum squamatum, abutilon theophrasti, eragrostis virescens, fumaria muralis, galinsoga quadriradiata, helianthus annuus, persicaria maculosa, solanum nigrum