polygonum aviculare, plantago major, artemisia vulgaris, lolium perenne, poa annua, matricaria discoidea, apera spica-venti, avena fatua, centaurea cyanus, chenopodium album, descurainia sophia, galinsoga parviflora, persicaria maculosa, secale cereale, silene latifolia, sinapis arvensis, spergula arvensis, tripleurospermum inodorum, vicia hirsuta