hordeum vulgare, cirsium arvense, galeopsis tetrahit, galium aparine, avena fatua, centaurea cyanus, chenopodium album, convolvulus arvensis, delphinium consolida, elymus repens, equisetum arvense, euphorbia helioscopia, fumaria officinalis, galium spurium, lathyrus tuberosus, lysimachia arvensis, myosotis arvensis, papaver rhoeas, polygonum aviculare, sinapis arvensis, sisymbrium officinale, stellaria media, thlaspi arvense, veronica persica, vicia tetrasperma, viola arvensis