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