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