tanacetum vulgare, convolvulus arvensis, elymus repens, rumex crispus, artemisia absinthium, artemisia vulgaris, bromus sterilis, centaurea solstitialis, cirsium arvense, lepidium draba, anchusa officinalis, arctium lappa, ballota nigra, carduus acanthoides, conium maculatum, dactylis glomerata, erigeron annuus, hypericum perforatum, lactuca serriola, linaria genistifolia, malva sylvestris, melilotus officinalis, poa trivialis, potentilla erecta, silene latifolia, trifolium campestre, verbascum pulverulentum, vicia cracca