C3.411Niveau 5Pelouses à Littorelle, étangs à Lobélie, gazons à Isoète
↑ Niveau supérieur
Description
Littorella uniflora, Lobelia dortmanna and Isoetes spp. formations of oligotrophic waters of the boreal and nemoral zones of the Palaearctic and of mountains of the southern Palaearctic.
C3.4116Niveau 6Communautés à Myriophyllum alterniflorum
Habitat sélectionné
Description
Oligotrophic pool and pool fringe communities of the northern Palaearctic dominated by Myriophyllum alterniflorum, characteristic of weakly acid clear waters on limestone-free substrates, sometimes with Ranunculus reptans, Littorella uniflora.