centaurea cyanus, viola arvensis, myosotis arvensis, vicia hirsuta, aethusa cynapium, apera spica-venti, aphanes arvensis, arabidopsis thaliana, artemisia vulgaris, chaerophyllum bulbosum, echium vulgare, elymus repens, erodium cicutarium, geranium pusillum, lapsana communis, odontites vernus, papaver rhoeas, tripleurospermum inodorum