setaria viridis, digitaria sanguinalis, lapsana communis, amaranthus hybridus, eragrostis virescens, sonchus oleraceus, amaranthus retroflexus, geranium molle, medicago lupulina, persicaria maculosa, polygonum aviculare, chenopodium album, clinopodium nepeta, convolvulus arvensis, erigeron canadensis, lotus tenuis, persicaria lapathifolia, solanum nigrum, urtica dioica, verbena officinalis, veronica persica