text: silybum marianum, ballota nigra, carduus pycnocephalus, lactuca serriola, sisymbrium officinale, bromus sterilis, chenopodium album, convolvulus arvensis, glebionis segetum, hordeum murinum, plumbago europaea, sonchus oleraceus, cota altissima, ecballium elaterium, foeniculum vulgare, fumaria capreolata, galium aparine, lolium perenne, malva parviflora, malva sylvestris, mercurialis annua, papaver rhoeas, rumex pulcher, solanum tuberosum