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