veronica hederifolia, apera spica-venti, capsella bursa-pastoris, centaurea cyanus, chenopodium album, cirsium arvense, fallopia convolvulus, gnaphalium uliginosum, lamium amplexicaule, matricaria chamomilla, myosotis arvensis, myosurus minimus, papaver dubium, plantago uliginosa, poa annua, sinapis arvensis, stellaria media, thlaspi arvense, veronica persica, vicia hirsuta, aphanes arvensis, arabidopsis thaliana, tussilago farfara