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