mentha arvensis, equisetum arvense, stachys palustris, achillea millefolium, ambrosia artemisiifolia, artemisia vulgaris, cirsium arvense, crepis biennis, echinochloa crus-galli, erigeron canadensis, oxalis stricta, persicaria lapathifolia, reseda lutea, setaria pumila, silene noctiflora, sinapis arvensis, sonchus arvensis, torilis arvensis, trifolium pratense, trifolium repens, veronica praecox, xanthium strumarium