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