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