elymus repens, achillea millefolium, calamagrostis epigejos, cirsium arvense, lepidium draba, poa compressa, tussilago farfara, chenopodium album, convolvulus arvensis, crepis biennis, daucus carota, lactuca serriola, poa trivialis, sisymbrium loeselii, tripleurospermum inodorum, carduus acanthoides