sorghum halepense, arctium lappa, artemisia absinthium, ballota nigra, carduus acanthoides, cephalaria transsylvanica, cichorium intybus, conium maculatum, crepis biennis, echium vulgare, lotus corniculatus, lycopus europaeus, melilotus officinalis, persicaria lapathifolia, plantago lanceolata, reseda lutea, setaria pumila