zea mays, brassica napus, elymus repens, capsella bursa-pastoris, chenopodium album, geranium pusillum, poa annua, viola arvensis, cirsium arvense, crepis tectorum, equisetum arvense, hordeum vulgare, persicaria maculosa, plantago major, rumex acetosella, stellaria media, trifolium repens, tripleurospermum inodorum