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