text: persicaria hydropiper, hydrocotyle vulgaris, pohlia wahlenbergii, alisma plantago-aquatica, bidens cernuus, galium palustre, lythrum salicaria, riccia fluitans, agrostis canina, glyceria fluitans, lysimachia thyrsiflora, ranunculus flammula, sparganium erectum, juncus bulbosus, lycopus europaeus