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