nl, delft en westland, agrostis stolonifera, trifolium repens, ranunculus repens, lolium perenne, poa trivialis, alopecurus geniculatus, holcus lanatus, stellaria media, poa annua, elymus repens, rumex acetosa, glyceria fluitans, ranunculus sceleratus, ranunculus acris, cerastium holosteoides, eleocharis palustris, polygonum aviculare, phleum pratense, persicaria amphibia, cardamine pratensis, juncus articulatus, phalaris arundinacea, cirsium arvense, persicaria hydropiper, alopecurus pratensis, poa pratensis, dactylis glomerata, bellis perennis, bolboschoenus maritimus, oenanthe fistulosa, triglochin palustris, bromus hordeaceus, plantago major, argentina anserina, glyceria maxima, capsella bursa-pastoris, lemna trisulca, myosotis scorpioides, ceratophyllum demersum, butomus umbellatus, stellaria alsine, sparganium erectum, spirodela polyrhiza, anthoxanthum odoratum, galium palustre, rumex crispus, sagina procumbens, agrostis capillaris, elodea nuttallii, carex hirta