polygonum aviculare, xanthium spinosum, amaranthus retroflexus, atriplex prostrata, atriplex sagittata, bidens tripartita, chenopodium album, cichorium intybus, daucus carota, erigeron canadensis, hibiscus palustris, lotus corniculatus, malva pusilla, medicago lupulina, melilotus albus, oxybasis glauca, oxybasis urbica, persicaria lapathifolia, plantago major, pulicaria vulgaris, solanum nigrum, tripleurospermum inodorum, xanthium strumarium