nl, delft en westland, ranunculus repens, agrostis stolonifera, poa trivialis, lolium perenne, trifolium repens, elymus repens, alopecurus geniculatus, stellaria media, holcus lanatus, poa annua, glyceria fluitans, ranunculus acris, rumex acetosa, cerastium holosteoides, persicaria amphibia, alopecurus pratensis, dactylis glomerata, phalaris arundinacea, ranunculus sceleratus, phleum pratense, cirsium arvense, polygonum aviculare, glyceria maxima, cardamine pratensis, poa pratensis, glechoma hederacea, capsella bursa-pastoris, bellis perennis, argentina anserina, bromus hordeaceus, persicaria hydropiper, plantago major, spirodela polyrhiza, elodea nuttallii, eleocharis palustris, lemna trisulca, rumex crispus, rumex obtusifolius, juncus articulatus, urtica dioica, myosotis scorpioides, lolium pratense, phragmites australis, sparganium erectum, festuca rubra, ceratophyllum demersum, agrostis capillaris, scorzoneroides autumnalis, bolboschoenus maritimus, anthoxanthum odoratum