secale cereale, veronica hederifolia, scleranthus annuus, equisetum arvense, equisetum sylvaticum, myosotis stricta, rumex acetosella, viola arvensis, arabidopsis thaliana, centaurea cyanus, chenopodium album, fallopia convolvulus, raphanus raphanistrum, roemeria argemone, spergula arvensis, veronica arvensis, veronica triphyllos, viola tricolor