chenopodium album, polygonum aviculare, amorpha fruticosa, persicaria lapathifolia, solanum nigrum, sorghum halepense, abutilon theophrasti, apios americana, convolvulus arvensis, erigeron canadensis, plantago major, polypogon monspeliensis, rorippa sylvestris, silene latifolia, sonchus arvensis, urtica dioica, verbena officinalis