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