datura stramonium, setaria pumila, cynodon dactylon, xanthium strumarium, abutilon theophrasti, erigeron canadensis, persicaria hydropiper, solanum nigrum, verbena officinalis, xanthium spinosum, capsella bursa-pastoris, chenopodiastrum hybridum, convolvulus arvensis, digitaria sanguinalis, echinochloa crus-galli, hibiscus trionum, polygonum aviculare, portulaca oleracea, sisymbrium officinale, trifolium repens