arabidopsis thaliana, stellaria media, tripleurospermum inodorum, vicia hirsuta, apera spica-venti, aphanes arvensis, arenaria serpyllifolia, capsella bursa-pastoris, centaurea cyanus, draba verna, fallopia convolvulus, lamium amplexicaule, lycopsis arvensis, lysimachia arvensis, matricaria chamomilla, myosotis arvensis, odontites vernus, papaver dubium, plantago uliginosa, poa annua, roemeria argemone, scleranthus annuus, thlaspi arvense, veronica arvensis, veronica hederifolia, veronica persica, cirsium arvense, valerianella locusta, vicia cracca, vicia sativa