lepidium ruderale, chenopodium album, lolium perenne, poa compressa, achillea millefolium, artemisia vulgaris, atriplex sagittata, carduus crispus, erigeron canadensis, oxybasis glauca, plantago major, plantago media, poa pratensis, setaria viridis, silene latifolia, sinapis alba, thlaspi arvense, trifolium repens, tripleurospermum inodorum