delphinium consolida, papaver rhoeas, viola arvensis, ambrosia artemisiifolia, centaurea cyanus, cirsium arvense, convolvulus arvensis, galium aparine, lathyrus tuberosus, legousia speculum-veneris, lepidium campestre, lolium temulentum, persicaria maculosa, sinapis arvensis, sonchus arvensis, stellaria media, symphytum officinale