arabidopsis thaliana, erodium cicutarium, papaver rhoeas, viola arvensis, apera spica-venti, capsella bursa-pastoris, centaurea cyanus, cerastium glomeratum, descurainia sophia, elymus repens, erigeron canadensis, fallopia convolvulus, fumaria officinalis, holosteum umbellatum, lamium amplexicaule, myosotis arvensis, poa annua, scleranthus polycarpos, stellaria media, thlaspi arvense, tripleurospermum inodorum, veronica arvensis, veronica triphyllos, potentilla pusilla, trifolium repens