tripleurospermum inodorum, arabidopsis thaliana, carduus nutans, centaurea cyanus, elymus repens, matricaria chamomilla, poa annua, stellaria media, capsella bursa-pastoris, cirsium arvense, viola arvensis, chenopodium album, fallopia convolvulus, lamium amplexicaule, lycopsis arvensis, matricaria discoidea, papaver rhoeas, plantago major, thlaspi arvense