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