text: sonchus arvensis, aethusa cynapium, cirsium arvense, delphinium consolida, sinapis arvensis, aphanes arvensis, centaurea cyanus, chenopodium album, draba verna, elymus repens, equisetum arvense, euphorbia helioscopia, fallopia convolvulus, medicago lupulina, ranunculus arvensis, roemeria argemone, stellaria media, veronica hederifolia, viola arvensis, achillea millefolium, artemisia vulgaris, fumaria officinalis, galium aparine, papaver dubium, rumex crispus, tripleurospermum inodorum, tussilago farfara, veronica persica, vicia hirsuta