nl, delft en westland, trifolium repens, ranunculus repens, agrostis stolonifera, poa trivialis, lolium perenne, poa annua, alopecurus geniculatus, stellaria media, elymus repens, holcus lanatus, ranunculus acris, phleum pratense, glyceria fluitans, ranunculus sceleratus, polygonum aviculare, rumex acetosa, cerastium holosteoides, eleocharis palustris, poa pratensis, persicaria hydropiper, plantago major, dactylis glomerata, cirsium arvense, juncus articulatus, capsella bursa-pastoris, persicaria amphibia, phalaris arundinacea, bellis perennis, cardamine pratensis, alopecurus pratensis, argentina anserina, bromus hordeaceus, bolboschoenus maritimus, rumex crispus, myosotis scorpioides, glyceria maxima, oenanthe fistulosa, triglochin palustris, sagina procumbens, carex hirta, rumex obtusifolius, stellaria alsine, lolium pratense, scorzoneroides autumnalis, sparganium erectum, butomus umbellatus, agrostis capillaris, lemna trisulca, glechoma hederacea, ceratophyllum demersum