text: chelidonium majus, oxybasis urbica, atriplex patula, lapsana communis, populus alba, acer campestre, bromus tectorum, chenopodium album, dactylis glomerata, fraxinus excelsior, fumaria vaillantii, hordeum murinum, lactuca serriola, robinia pseudoacacia, stellaria media, ulmus laevis, urtica urens, viola odorata