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