salix alba, populus nigra, lathyrus sylvestris, rumex obtusifolius, xanthium orientale, ambrosia artemisiifolia, anchusa azurea, euphorbia amygdaloides, hypericum perforatum, melilotus albus, mentha aquatica, mentha longifolia, molinia arundinacea, persicaria maculosa, persicaria minor, persicaria mitis, plantago major, polycarpon tetraphyllum, ranunculus repens, rapistrum rugosum, solidago canadensis, tanacetum vulgare