centaurea cyanus, tripleurospermum inodorum, aphanes arvensis, viola arvensis, arenaria serpyllifolia, stellaria media, veronica arvensis, apera spica-venti, arabidopsis thaliana, capsella bursa-pastoris, poa annua, vicia hirsuta, cerastium holosteoides, fallopia convolvulus, lamium amplexicaule, myosotis stricta, ranunculus repens, veronica persica