delphinium consolida, centaurea cyanus, apera spica-venti, cirsium arvense, myosotis arvensis, persicaria maculosa, poa pratensis, alopecurus geniculatus, artemisia vulgaris, convolvulus arvensis, elymus repens, equisetum arvense, fallopia convolvulus, galium aparine, phleum pratense, polygonum aviculare, rumex confertus, rumex crispus, sonchus arvensis, sonchus asper, tripleurospermum inodorum