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