aphanes arvensis, arabidopsis thaliana, arenaria serpyllifolia, capsella bursa-pastoris, centaurea cyanus, chenopodium album, elymus repens, fallopia convolvulus, geranium pusillum, lamium amplexicaule, myosotis arvensis, papaver dubium, plantago uliginosa, poa annua, roemeria argemone, sinapis arvensis, stellaria media, thlaspi arvense, tripleurospermum inodorum, veronica arvensis, veronica persica, viola arvensis, cirsium arvense, lycopsis arvensis, rumex crispus, sonchus asper, veronica opaca