hordeum vulgare, tussilago farfara, anthemis cotula, euphorbia exigua, lathyrus tuberosus, sonchus arvensis, aethusa cynapium, argentina anserina, mentha arvensis, artemisia vulgaris, avena fatua, cirsium arvense, convolvulus arvensis, equisetum arvense, euphorbia helioscopia, fallopia convolvulus, galium aparine, geranium pusillum, lamium amplexicaule, lysimachia arvensis, medicago lupulina, persicaria amphibia, setaria pumila, silene noctiflora, thlaspi arvense, veronica persica, viola arvensis