aphanes arvensis, cirsium arvense, convolvulus arvensis, equisetum arvense, galium aparine, legousia speculum-veneris, viola arvensis, cerastium glomeratum, elymus repens, lapsana communis, matricaria chamomilla, myosotis arvensis, papaver rhoeas, poa trivialis, ranunculus repens, stellaria graminea, trifolium pratense, veronica arvensis, veronica persica, vicia tetrasperma