nl, oost-zuid-holland, ranunculus repens, poa trivialis, agrostis stolonifera, lolium perenne, holcus lanatus, trifolium repens, rumex acetosa, ranunculus acris, stellaria media, alopecurus pratensis, alopecurus geniculatus, glyceria fluitans, persicaria amphibia, phalaris arundinacea, poa annua, cardamine pratensis, glyceria maxima, cerastium holosteoides, glechoma hederacea, elymus repens, bellis perennis, bromus hordeaceus, phleum pratense, persicaria hydropiper, rorippa amphibia, dactylis glomerata, myosotis scorpioides, lolium pratense, galium palustre, anthoxanthum odoratum, poa pratensis, ranunculus flammula, juncus effusus, spirodela polyrhiza, capsella bursa-pastoris, juncus articulatus, oenanthe fistulosa, silene flos-cuculi, rumex obtusifolius, cirsium arvense, lemna trisulca, polygonum aviculare, plantago major, ranunculus sceleratus, equisetum fluviatile, carex acuta, eleocharis palustris, festuca rubra, rumex crispus, sparganium erectum