de, oldenburg, landkreis, lemna minor, nuphar lutea, sparganium erectum, potamogeton natans, spirodela polyrhiza, lycopus europaeus, lemna trisulca, hydrocharis morsus-ranae, alisma plantago-aquatica, sagittaria sagittifolia, elodea canadensis, glyceria maxima, phragmites australis, typha latifolia, lythrum salicaria, sparganium emersum, iris pseudacorus, lysimachia vulgaris, solanum dulcamara, bidens frondosa, hottonia palustris, ceratophyllum demersum, galium palustre, glyceria fluitans, equisetum fluviatile, typha angustifolia, rumex hydrolapathum, potamogeton crispus, nymphaea alba, juncus effusus, rorippa amphibia, phalaris arundinacea, carex pseudocyperus, scutellaria galericulata, persicaria hydropiper, acorus calamus, eleocharis palustris, persicaria amphibia, urtica dioica, myosotis scorpioides, myriophyllum spicatum, butomus umbellatus, alnus glutinosa, schoenoplectus lacustris, cicuta virosa, lemna gibba, oenanthe aquatica, elodea nuttallii, stuckenia pectinata, ranunculus sceleratus