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