tripleurospermum inodorum, apera spica-venti, artemisia absinthium, artemisia vulgaris, chenopodium album, erigeron canadensis, silene latifolia, cirsium arvense, descurainia sophia, elymus repens, erysimum cheiranthoides, persicaria maculosa, poa pratensis, polygonum aviculare, raphanus raphanistrum, sonchus arvensis, viola arvensis