hordeum distichon, stellaria media, veronica hederifolia, veronica persica, arabidopsis thaliana, capsella bursa-pastoris, centaurea cyanus, draba verna, elymus repens, euphorbia helioscopia, galium aparine, lamium amplexicaule, ranunculus repens, tripleurospermum inodorum, veronica arvensis, veronica sublobata, viola arvensis, atriplex patula