agrostis stolonifera, alopecurus geniculatus, persicaria hydropiper, poa trivialis, phalaris arundinacea, glyceria fluitans, glyceria maxima, holcus lanatus, oenanthe fistulosa, ranunculus repens, stellaria media, argentina anserina, bellis perennis, bidens tripartita, carex hirta, cirsium arvense, juncus articulatus, juncus effusus, mentha aquatica, persicaria amphibia, polygonum aviculare, ranunculus flammula, ranunculus sceleratus, persicaria maculosa