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