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