sparganium erectum, equisetum arvense, equisetum palustre, persicaria hydropiper, persicaria lapathifolia, alisma plantago-aquatica, atriplex patula, bidens tripartita, ceratophyllum demersum, clinopodium nepeta, convolvulus arvensis, eclipta prostrata, galium debile, lemna minor, lycopus europaeus, lythrum salicaria, mentha pulegium, myosotis laxa, nasturtium officinale, oxalis corniculata, paspalum distichum, persicaria maculosa, phyla nodiflora, potentilla reptans, ranunculus trichophyllus, sium sisarum, symphyotrichum squamatum, urtica dioica, veronica anagallis-aquatica, veronica beccabunga, veronica filiformis