populus canadensis, alopecurus pratensis, urtica dioica, cirsium arvense, filipendula ulmaria, galeopsis tetrahit, rumex obtusifolius, symphytum officinale, angelica sylvestris, cardamine pratensis, tanacetum vulgare, carex vulpina, fraxinus excelsior, iris pseudacorus, juncus effusus, prunus serotina, ribes rubrum, sambucus nigra, valeriana excelsa