poa trivialis, ranunculus repens, agrostis stolonifera, holcus lanatus, alopecurus geniculatus, glyceria fluitans, glyceria maxima, glechoma hederacea, juncus articulatus, oenanthe fistulosa, sagina procumbens, cerastium holosteoides, lotus pedunculatus, ranunculus flammula, ranunculus sceleratus, rorippa amphibia, sparganium erectum, stellaria alsine, trifolium repens