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