veronica hederifolia, apera spica-venti, aphanes arvensis, arabidopsis thaliana, capsella bursa-pastoris, centaurea cyanus, chenopodium album, crepis tectorum, draba verna, elymus repens, equisetum arvense, gnaphalium uliginosum, lycopsis arvensis, lysimachia arvensis, papaver dubium, plantago uliginosa, poa annua, spergula arvensis, thlaspi arvense, veronica triphyllos, viola arvensis, artemisia vulgaris, fallopia convolvulus, geranium pusillum, myosotis stricta, myosurus minimus, scleranthus annuus, vicia hirsuta