helosciadium nodiflorum, panicum repens, phragmites australis, pulicaria dysenterica, galium debile, hydrocotyle vulgaris, iris pseudacorus, juncus inflexus, mentha aquatica, persicaria decipiens, poa trivialis, schoenoplectus tabernaemontani, eleocharis palustris, juncus acutus, juncus effusus, lotus rectus, oenanthe pimpinelloides