nl, oost-zuid-holland, poa trivialis, agrostis stolonifera, ranunculus repens, phragmites australis, urtica dioica, holcus lanatus, glechoma hederacea, lolium perenne, elymus repens, phalaris arundinacea, dactylis glomerata, stellaria media, lemna trisulca, glyceria maxima, spirodela polyrhiza, glyceria fluitans, ceratophyllum demersum, trifolium repens, cirsium arvense, rumex acetosa, galium aparine, cerastium holosteoides, persicaria amphibia, alopecurus geniculatus, ranunculus acris, lemna gibba, elodea nuttallii, epilobium hirsutum, cardamine pratensis, sparganium erectum, anthriscus sylvestris, poa annua, alopecurus pratensis, lemna minor, alnus glutinosa, butomus umbellatus, fraxinus excelsior, ranunculus sceleratus, poa pratensis, polygonum aviculare, carex riparia, rumex obtusifolius, calystegia sepium, galium palustre, myosotis scorpioides, iris pseudacorus, stuckenia pectinata, potamogeton pusillus, solanum dulcamara, plantago major