nl, utrecht, agrostis stolonifera, ranunculus repens, lolium perenne, trifolium repens, poa trivialis, holcus lanatus, alopecurus geniculatus, glyceria fluitans, rumex acetosa, elymus repens, ranunculus acris, stellaria media, cardamine pratensis, poa annua, cerastium holosteoides, persicaria amphibia, phalaris arundinacea, glyceria maxima, juncus articulatus, ranunculus sceleratus, cirsium arvense, dactylis glomerata, alopecurus pratensis, lemna trisulca, sparganium erectum, eleocharis palustris, galium palustre, ceratophyllum demersum, phleum pratense, juncus effusus, phragmites australis, polygonum aviculare, myosotis scorpioides, bellis perennis, oenanthe fistulosa, spirodela polyrhiza, poa pratensis, argentina anserina, plantago major, glechoma hederacea, persicaria hydropiper, bromus hordeaceus, elodea nuttallii, anthoxanthum odoratum, butomus umbellatus, triglochin palustris, lemna gibba, urtica dioica, festuca rubra, bolboschoenus maritimus