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