stellaria media, apera spica-venti, arabidopsis thaliana, centaurea cyanus, myosotis arvensis, tripleurospermum inodorum, artemisia vulgaris, capsella bursa-pastoris, cirsium arvense, elymus repens, equisetum arvense, fallopia convolvulus, geranium pusillum, lycopsis arvensis, myosotis stricta, plantago uliginosa, poa annua, rumex acetosella, scleranthus annuus, veronica arvensis, veronica hederifolia, vicia hirsuta, viola arvensis, aphanes arvensis, cerastium holosteoides, melilotus albus