hordeum vulgare, cirsium arvense, equisetum arvense, vicia sativa, achillea millefolium, agrostemma githago, capsella bursa-pastoris, convolvulus arvensis, daucus carota, galeopsis tetrahit, matricaria discoidea, plantago major, poa pratensis, polygonum aviculare, raphanus raphanistrum, rumex acetosella, rumex crispus, sinapis arvensis, spergula arvensis, stellaria media