hordeum vulgare, chenopodium album, sonchus arvensis, viola arvensis, achillea millefolium, centaurea cyanus, cirsium arvense, fallopia convolvulus, lamium purpureum, myosotis arvensis, thlaspi arvense, trifolium repens, veronica hederifolia, agrostis stolonifera, arenaria serpyllifolia, equisetum arvense, mentha longifolia, rumex crispus, vicia sativa