melilotus albus, echium vulgare, tanacetum vulgare, oenothera biennis, achillea millefolium, anchusa officinalis, artemisia absinthium, artemisia vulgaris, berteroa incana, bromus hordeaceus, bromus tectorum, centaurea stoebe, cirsium arvense, lolium perenne, melilotus officinalis, pilosella officinarum, reseda lutea, silene latifolia, sisymbrium officinale