oxalis stricta, amaranthus retroflexus, artemisia annua, atriplex patula, berteroa incana, bromus sterilis, chenopodium album, cynodon dactylon, dactylis glomerata, descurainia sophia, digitaria sanguinalis, elymus repens, erigeron annuus, erigeron canadensis, fallopia convolvulus, lolium perenne, malva neglecta, polygonum aviculare, prunella vulgaris, rorippa sylvestris, senecio vulgaris, setaria viridis, sonchus oleraceus, stellaria media, trifolium repens, verbena officinalis, veronica polita