echinops sphaerocephalus, artemisia vulgaris, elymus repens, urtica dioica, lepidium draba, poa angustifolia, poa pratensis, tripleurospermum inodorum, arctium tomentosum, atriplex sagittata, ballota nigra, carduus acanthoides, cirsium arvense, hypericum perforatum, polygonum aviculare, rumex obtusifolius, sambucus nigra, silene latifolia, descurainia sophia