cirsium arvense, elymus repens, achillea millefolium, lolium perenne, melilotus officinalis, arrhenatherum elatius, centaurea scabiosa, cichorium intybus, convolvulus arvensis, delphinium consolida, erigeron annuus, erigeron canadensis, falcaria vulgaris, galium mollugo, lathyrus tuberosus, medicago falcata, muscari comosum, orobanche reticulata, papaver rhoeas, roemeria argemone, sonchus arvensis, trifolium repens, vicia cracca