text: sonchus arvensis, veronica persica, atriplex patula, capsella bursa-pastoris, chenopodium album, cirsium arvense, elymus repens, equisetum arvense, euphorbia helioscopia, fallopia convolvulus, fumaria officinalis, galium aparine, lamium amplexicaule, matricaria chamomilla, mentha arvensis, myosotis arvensis, poa annua, sherardia arvensis, sinapis arvensis, sonchus oleraceus, stachys palustris, stellaria media, thlaspi arvense, tussilago farfara, viola arvensis, centaurea cyanus, convolvulus arvensis, lysimachia arvensis, solanum nigrum