matricaria chamomilla, arabidopsis thaliana, centaurea cyanus, thlaspi arvense, vicia sativa, aphanes arvensis, fallopia convolvulus, trifolium pratense, viola arvensis, apera spica-venti, cirsium arvense, convolvulus arvensis, elymus repens, polygonum aviculare, scleranthus annuus, stellaria media, vicia tetrasperma, chenopodium album, daucus carota, descurainia sophia, erodium cicutarium, euphorbia helioscopia, galium aparine, papaver rhoeas, raphanus raphanistrum, artemisia vulgaris, lysimachia arvensis