equisetum fluviatile, lycopus europaeus, lythrum salicaria, alisma plantago-aquatica, alopecurus aequalis, holcus lanatus, impatiens noli-tangere, juncus effusus, lemna minor, mentha longifolia, myosotis laxa, phleum pratense, ranunculus repens, scutellaria galericulata, typha shuttleworthii