triticum aestivum, apera spica-venti, secale cereale, anthemis arvensis, roemeria argemone, achillea millefolium, aphanes arvensis, bromus hordeaceus, capsella bursa-pastoris, centaurea cyanus, equisetum arvense, erysimum cheiranthoides, juncus bufonius, matricaria discoidea, medicago lupulina, myosurus minimus, poa annua, rumex crispus, spergula arvensis, stellaria media, trifolium pratense, veronica arvensis, viola arvensis