poa trivialis, glyceria fluitans, agrostis stolonifera, alopecurus geniculatus, lolium perenne, oenanthe fistulosa, cerastium holosteoides, cirsium arvense, glyceria maxima, mentha aquatica, myosotis laxa, persicaria amphibia, ranunculus repens, rumex crispus, sparganium erectum, stellaria media, trifolium repens, epilobium parviflorum