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