secale cereale, centaurea cyanus, tripleurospermum inodorum, arabidopsis thaliana, capsella bursa-pastoris, convolvulus arvensis, galium aparine, geranium pusillum, matricaria chamomilla, myosotis arvensis, papaver rhoeas, rumex crispus, stellaria media, valerianella dentata, veronica arvensis, veronica sublobata, viola arvensis, anthemis arvensis, aphanes arvensis, betula pendula, descurainia sophia, lactuca serriola, sonchus arvensis