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