nl, zuidwest-friesland, lolium perenne, agrostis stolonifera, ranunculus repens, poa trivialis, trifolium repens, alopecurus geniculatus, holcus lanatus, elymus repens, cerastium holosteoides, rumex acetosa, ranunculus acris, stellaria media, cirsium arvense, bellis perennis, bromus hordeaceus, poa annua, cardamine pratensis, persicaria amphibia, poa pratensis, alopecurus pratensis, glyceria fluitans, plantago major, phleum pratense, dactylis glomerata, phalaris arundinacea, lolium pratense, scorzoneroides autumnalis, argentina anserina, anthoxanthum odoratum, glechoma hederacea, phragmites australis, festuca rubra, rumex crispus, trifolium pratense, polygonum aviculare, cynosurus cristatus, urtica dioica, eleocharis palustris, plantago lanceolata, juncus effusus, carex hirta, agrostis capillaris, capsella bursa-pastoris, glyceria maxima, juncus articulatus, ranunculus sceleratus, bolboschoenus maritimus, rumex obtusifolius, hordeum secalinum, carex disticha