melilotus albus, berteroa incana, salsola tragus, anchusa officinalis, artemisia absinthium, carduus acanthoides, centaurea stoebe, echium vulgare, equisetum arvense, melilotus officinalis, convolvulus arvensis, echinochloa crus-galli, erigeron canadensis, lipandra polysperma, medicago falcata, oenothera biennis, onopordum acanthium, pimpinella saxifraga, tripleurospermum inodorum