triticum aestivum, euphorbia exigua, stellaria media, galium aparine, lathyrus tuberosus, silene noctiflora, avena fatua, fallopia convolvulus, anthemis cotula, chaenorhinum minus, cirsium arvense, equisetum arvense, euphorbia helioscopia, galeopsis tetrahit, galium spurium, lysimachia arvensis, medicago lupulina, myosotis arvensis, papaver rhoeas, polygonum aviculare, sherardia arvensis, veronica persica, viola arvensis