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