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