triticum aestivum, papaver rhoeas, stellaria media, tripleurospermum inodorum, viola arvensis, capsella bursa-pastoris, cirsium arvense, galium aparine, lamium amplexicaule, lamium purpureum, poa pratensis, thlaspi arvense, veronica persica, veronica sublobata, fallopia convolvulus, heracleum sphondylium