nl, groot-rijnmond, agrostis stolonifera, poa trivialis, urtica dioica, ranunculus repens, phragmites australis, elymus repens, dactylis glomerata, cirsium arvense, glechoma hederacea, holcus lanatus, lolium perenne, trifolium repens, stuckenia pectinata, galium aparine, phalaris arundinacea, persicaria amphibia, lemna minor, cerastium holosteoides, poa pratensis, stellaria media, equisetum arvense, poa annua, anthriscus sylvestris, arrhenatherum elatius, glyceria maxima, spirodela polyrhiza, potamogeton pusillus, lemna trisulca, plantago major, plantago lanceolata, fraxinus excelsior, achillea millefolium, agrostis capillaris, heracleum sphondylium, ranunculus acris, capsella bursa-pastoris, rumex acetosa, calystegia sepium, polygonum aviculare, elodea nuttallii, ceratophyllum demersum, alopecurus geniculatus, glyceria fluitans, rubus caesius, phleum pratense, alopecurus pratensis, bromus hordeaceus, rumex obtusifolius, argentina anserina, carex hirta