agrostis stolonifera, poa trivialis, lolium perenne, holcus lanatus, trifolium repens, alopecurus geniculatus, glyceria maxima, myosotis scorpioides, persicaria hydropiper, ranunculus repens, argentina anserina, berula erecta, bolboschoenus maritimus, capsella bursa-pastoris, cardamine pratensis, cerastium holosteoides, cirsium arvense, glechoma hederacea, glyceria fluitans, oenanthe aquatica, oenanthe fistulosa, ranunculus sceleratus, sparganium erectum, stellaria alsine, stellaria media