secale cereale, arabidopsis thaliana, veronica hederifolia, centaurea cyanus, myosotis stricta, stellaria media, viola arvensis, buglossoides arvensis, capsella bursa-pastoris, equisetum arvense, fallopia convolvulus, galium aparine, lycopsis arvensis, matricaria discoidea, roemeria argemone, tripleurospermum inodorum, vicia sativa