text: silybum marianum, sinapis arvensis, avena sterilis, erodium ciconium, carduus bourgeanus, lolium rigidum, papaver rhoeas, vicia cracca, avena barbata, borago officinalis, carduus tenuiflorus, diplotaxis virgata, elymus pungens, eruca vesicaria, foeniculum vulgare, trifolium campestre