matricaria chamomilla, onopordum acanthium, lactuca serriola, melilotus albus, apera spica-venti, artemisia vulgaris, ballota nigra, centaurea cyanus, convolvulus arvensis, elymus repens, equisetum arvense, erigeron canadensis, medicago lupulina, papaver rhoeas, rumex crispus, senecio vulgaris, tanacetum vulgare, tussilago farfara, vicia hirsuta, vicia sativa, viola arvensis