poa trivialis, holcus lanatus, sagina procumbens, phalaris arundinacea, agrostis stolonifera, alopecurus geniculatus, glyceria fluitans, glyceria maxima, oenanthe fistulosa, persicaria hydropiper, trifolium repens, glechoma hederacea, ranunculus repens, sparganium erectum, argentina anserina, cardamine pratensis, cerastium holosteoides, oenanthe aquatica, ranunculus sceleratus, rorippa amphibia, stellaria alsine