elymus repens, cirsium arvense, achillea millefolium, arrhenatherum elatius, atriplex patula, calamagrostis epigejos, chenopodium album, erigeron canadensis, poa angustifolia, poa compressa, rumex crispus, tripleurospermum inodorum, artemisia vulgaris, cirsium vulgare, fallopia convolvulus, lactuca serriola, lepidium draba, viola arvensis