nl, oost-zuid-holland, agrostis stolonifera, ranunculus repens, holcus lanatus, trifolium repens, lolium perenne, poa trivialis, glyceria fluitans, rumex acetosa, alopecurus geniculatus, persicaria amphibia, glyceria maxima, ranunculus acris, phalaris arundinacea, stellaria media, spirodela polyrhiza, lemna trisulca, oenanthe fistulosa, elodea nuttallii, cardamine pratensis, elymus repens, alopecurus pratensis, poa annua, ranunculus sceleratus, sparganium erectum, myosotis scorpioides, cerastium holosteoides, galium palustre, rorippa amphibia, juncus articulatus, ceratophyllum demersum, eleocharis palustris, butomus umbellatus, anthoxanthum odoratum, persicaria hydropiper, ranunculus flammula, juncus effusus, glechoma hederacea, dactylis glomerata, phleum pratense, equisetum fluviatile, ranunculus circinatus, polygonum aviculare, bromus hordeaceus, bellis perennis, stellaria alsine, poa pratensis, hydrocharis morsus-ranae, cirsium arvense, phragmites australis, argentina anserina