glyceria maxima, alopecurus geniculatus, alopecurus pratensis, glyceria fluitans, elymus repens, phalaris arundinacea, phleum pratense, glechoma hederacea, holcus lanatus, lolium perenne, persicaria hydropiper, ranunculus repens, dactylis glomerata, polygonum aviculare, rumex conglomeratus, scutellaria galericulata, sparganium erectum, trifolium repens, persicaria minor, rumex obtusifolius, stellaria media