galium aparine, veronica persica, mercurialis annua, poa annua, poa trivialis, convolvulus arvensis, elymus repens, lolium perenne, ranunculus repens, sinapis arvensis, sonchus asper, stellaria media, veronica hederifolia, capsella bursa-pastoris, cirsium arvense, heracleum sphondylium, myosotis arvensis, papaver rhoeas, viola arvensis