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