text: hordeum distichon, veronica persica, centaurea cyanus, sherardia arvensis, aethusa cynapium, avena fatua, capsella bursa-pastoris, equisetum arvense, fallopia convolvulus, galeopsis tetrahit, galium aparine, galium spurium, lamium purpureum, lysimachia arvensis, scleranthus annuus, stellaria media, thlaspi arvense, tripleurospermum inodorum, veronica arvensis, vicia hirsuta, viola arvensis, lamium amplexicaule, persicaria hydropiper, plantago major, trifolium pratense