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