text: centaurea cyanus, elymus repens, tripleurospermum inodorum, capsella bursa-pastoris, chenopodium album, fallopia convolvulus, myosotis arvensis, roemeria argemone, rumex acetosella, spergula arvensis, trifolium arvense, vicia hirsuta, vicia sativa, viola arvensis, arnoseris minima, cirsium arvense, galeopsis ladanum, scleranthus annuus