text: hordeum vulgare, cirsium arvense, sonchus oleraceus, lepidium campestre, ranunculus arvensis, chenopodium album, convolvulus arvensis, medicago lupulina, amaranthus retroflexus, avena sativa, buglossoides arvensis, bupleurum rotundifolium, chaenorhinum minus, chenopodium vulvaria, conringia orientalis, daucus carota, fallopia convolvulus, galium aparine, galium tricornutum, geranium pyrenaicum, lactuca serriola, lapsana communis, lathyrus aphaca, lolium rigidum, lysimachia arvensis, medicago sativa, papaver rhoeas, polygonum aviculare, rumex crispus, sisymbrium orientale, veronica polita, vicia cracca, vicia sativa, capsella bursa-pastoris, centaurea cyanus