veronica hederifolia, capsella bursa-pastoris, lamium amplexicaule, chenopodium album, fallopia convolvulus, stellaria media, viola arvensis, apera spica-venti, arabidopsis thaliana, centaurea cyanus, elymus repens, equisetum arvense, lamium purpureum, matricaria chamomilla, roemeria argemone, thlaspi arvense, erodium cicutarium, lycopsis arvensis