medicago sativa, poa annua, elymus repens, stellaria media, veronica persica, apera spica-venti, capsella bursa-pastoris, veronica arvensis, agrostis gigantea, alopecurus pratensis, arabidopsis thaliana, cirsium arvense, galium aparine, lamium purpureum, myosotis arvensis, trifolium repens, tripleurospermum inodorum, fallopia convolvulus, lathyrus tuberosus