text: aphanes arvensis, stellaria media, tripleurospermum inodorum, apera spica-venti, arabidopsis thaliana, capsella bursa-pastoris, centaurea cyanus, cerastium holosteoides, cirsium arvense, elymus repens, myosotis arvensis, poa annua, veronica arvensis, veronica persica, vicia hirsuta, viola arvensis, chenopodium album