centaurea cyanus, hordeum vulgare, elymus repens, polygonum aviculare, bromus hordeaceus, fallopia convolvulus, papaver rhoeas, tripleurospermum inodorum, apera spica-venti, barbarea vulgaris, brassica napus, erodium cicutarium, geranium dissectum, lolium perenne, matricaria discoidea, myosotis arvensis, plantago uliginosa, poa pratensis, triticum aestivum, viola arvensis, avena sativa, capsella bursa-pastoris, cirsium arvense, lactuca serriola, lysimachia arvensis, plantago major