secale cereale, veronica hederifolia, draba verna, myosotis stricta, arabidopsis thaliana, buglossoides arvensis, chenopodium album, cirsium arvense, fallopia convolvulus, papaver rhoeas, roemeria argemone, rumex acetosella, spergula arvensis, stellaria media, vicia sativa, vicia tetrasperma, viola arvensis