artemisia vulgaris, arctium lappa, bromus hordeaceus, sisymbrium altissimum, sisymbrium loeselii, achillea millefolium, cirsium arvense, hordeum murinum, linaria vulgaris, lolium perenne, melilotus officinalis, persicaria amphibia, plantago lanceolata, reseda lutea, senecio viscosus, silene latifolia, tanacetum vulgare, trifolium repens, tripleurospermum inodorum