scleranthus annuus, centaurea cyanus, ceratodon purpureus, delphinium consolida, medicago lupulina, trifolium arvense, tripleurospermum inodorum, veronica arvensis, veronica hederifolia, viola arvensis, apera spica-venti, atriplex patula, capsella bursa-pastoris, cirsium arvense, fallopia convolvulus, lysimachia arvensis, sonchus asper, vicia sativa