arctium lappa, arctium tomentosum, carduus acanthoides, elymus repens, atriplex patula, atriplex sagittata, ballota nigra, cirsium arvense, cirsium vulgare, heracleum sphondylium, melilotus albus, pastinaca sativa, rumex obtusifolius, sonchus arvensis, tanacetum vulgare, tripleurospermum inodorum