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