xanthium orientale, bidens tripartita, euphorbia maculata, cynodon dactylon, erigeron canadensis, polygonum aviculare, tripleurospermum inodorum, xanthium strumarium, artemisia annua, atriplex patula, chenopodium album, daucus carota, diplotaxis tenuifolia, euphorbia nutans, galeopsis speciosa, lotus corniculatus, medicago lupulina, persicaria maculosa, plantago lanceolata, plantago major, prunella vulgaris, pulicaria vulgaris, verbena officinalis