artemisia vulgaris, artemisia absinthium, barbarea vulgaris, berteroa incana, chaenorhinum minus, erigeron annuus, erigeron canadensis, herniaria glabra, populus nigra, reseda lutea, rorippa sylvestris, tanacetum vulgare, verbascum nigrum, verbascum phlomoides, anchusa officinalis, arabidopsis arenosa, cerastium holosteoides, chenopodium album, diplotaxis tenuifolia, echium vulgare, erucastrum nasturtiifolium, fallopia convolvulus, hypericum perforatum, linaria vulgaris, lotus corniculatus, medicago falcata, medicago lupulina, melilotus albus, melilotus officinalis, oenothera biennis, plantago major, poa compressa, poa trivialis, saponaria officinalis, silene latifolia, tripleurospermum inodorum