salix purpurea, artemisia vulgaris, bidens frondosa, echinochloa crus-galli, epilobium ciliatum, erigeron canadensis, persicaria lapathifolia, phalaris arundinacea, rorippa palustris, stellaria aquatica, symphytum officinale, tanacetum vulgare, urtica dioica, oxalis stricta, plantago major