melilotus officinalis, melilotus albus, oenothera biennis, artemisia vulgaris, berteroa incana, echium vulgare, linaria vulgaris, achillea millefolium, arctium lappa, carduus acanthoides, centaurea jacea, centaurea stoebe, cichorium intybus, cirsium arvense, equisetum arvense, holcus lanatus, hypericum perforatum, plantago lanceolata, solidago canadensis, tanacetum vulgare, tripleurospermum inodorum