triticum aestivum, galium aparine, avena fatua, lathyrus tuberosus, veronica persica, anthemis cotula, cirsium arvense, convolvulus arvensis, elymus repens, oxalis stricta, silene noctiflora, achillea millefolium, argentina anserina, campanula rapunculoides, euphorbia exigua, fumaria officinalis, lamium amplexicaule, lysimachia arvensis, papaver rhoeas, polygonum aviculare, sherardia arvensis, sonchus arvensis, stellaria media, symphytum officinale, tussilago farfara, viola arvensis