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, elymus repens, cerastium holosteoides, bromus hordeaceus, cardamine pratensis, glyceria fluitans, bellis perennis, poa pratensis, alopecurus pratensis, phleum pratense, dactylis glomerata, cirsium arvense, plantago major, persicaria amphibia, capsella bursa-pastoris, lolium pratense, polygonum aviculare, phalaris arundinacea, juncus articulatus, anthoxanthum odoratum, argentina anserina, eleocharis palustris, glechoma hederacea, ranunculus sceleratus, agrostis capillaris, rumex crispus, scorzoneroides autumnalis, festuca rubra, persicaria hydropiper, rumex obtusifolius, juncus effusus, carex hirta, oenanthe fistulosa, trifolium pratense, glyceria maxima, myosotis scorpioides, sagina procumbens, galium palustre, cynosurus cristatus, deschampsia cespitosa