arrhenatherum elatius, lolium perenne, urtica dioica, dactylis glomerata, persicaria amphibia, symphytum officinale, valeriana officinalis, agrostis stolonifera, glyceria maxima, holcus lanatus, phalaris arundinacea, filipendula ulmaria, heracleum sphondylium, lythrum salicaria, phleum pratense, phragmites australis, stellaria media, vicia cracca, angelica sylvestris, carex riparia, sparganium erectum