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