amaranthus retroflexus, chenopodium album, eragrostis minor, echinochloa crus-galli, erigeron canadensis, polygonum aviculare, xanthium strumarium, acer negundo, agrostis stolonifera, atriplex prostrata, bidens tripartita, cuscuta campestris, daucus carota, digitaria sanguinalis, eragrostis pilosa, medicago lupulina, oenothera biennis, plantago major, potentilla supina, setaria pumila, solanum nigrum, taraxacum minimum, trifolium repens, xanthium orientale