tanacetum vulgare, anchusa officinalis, arctium lappa, artemisia vulgaris, echium vulgare, hypericum perforatum, achillea millefolium, daucus carota, elymus repens, melilotus officinalis, poa palustris, vicia cracca, calamagrostis epigejos, leontodon hispidus, linaria vulgaris, pastinaca sativa, salvia verticillata, solidago canadensis