glyceria maxima, agrostis stolonifera, glechoma hederacea, persicaria hydropiper, glyceria fluitans, holcus lanatus, poa trivialis, lolium perenne, oenanthe fistulosa, ranunculus repens, argentina anserina, galium palustre, myosotis scorpioides, phalaris arundinacea, carex acutiformis, cirsium arvense, ranunculus acris