viola arvensis, bifora radians, cirsium arvense, convolvulus arvensis, delphinium consolida, galium aparine, aristolochia clematitis, chenopodium album, fallopia convolvulus, lathyrus aphaca, lathyrus pratensis, medicago falcata, polygonum aviculare, ranunculus arvensis, setaria verticillata, veronica persica, vicia cracca, lathyrus tuberosus