glyceria fluitans, agrostis stolonifera, alopecurus geniculatus, holcus lanatus, lolium perenne, poa trivialis, myosotis scorpioides, berula erecta, cirsium arvense, glechoma hederacea, mentha aquatica, persicaria hydropiper, ranunculus sceleratus, epilobium parviflorum, rumex conglomeratus