poa trivialis, lolium perenne, phalaris arundinacea, urtica dioica, agrostis stolonifera, elymus repens, glechoma hederacea, glyceria fluitans, alopecurus geniculatus, glyceria maxima, phleum pratense, dactylis glomerata, holcus lanatus, persicaria amphibia, persicaria hydropiper, persicaria maculosa, ranunculus repens, ranunculus sceleratus, rorippa palustris, secale cereale