centaurea cyanus, capsella bursa-pastoris, elymus repens, fallopia convolvulus, medicago sativa, papaver rhoeas, persicaria maculosa, ranunculus repens, stellaria media, viola arvensis, aethusa cynapium, aphanes arvensis, galium verum, legousia speculum-veneris, myosotis arvensis, raphanus raphanistrum