populus canadensis, persicaria amphibia, poa trivialis, symphytum officinale, glechoma hederacea, potentilla reptans, urtica dioica, filipendula ulmaria, holcus lanatus, phalaris arundinacea, rumex crispus, stellaria graminea, equisetum palustre, linaria vulgaris, lysimachia vulgaris, ranunculus acris, ranunculus repens