Fraxinus excelsior-Alnus glutinosa formations of springs and small streams of Atlantic, sub-Atlantic and subcontinental middle Europe, usually dominated by ashes, with Carex remota, Carex pendula, Carex strigosa, Equisetum telmateia, Rumex sanguineus, Lysimachia nemorum, Cardamine amara, Chrysosplenium oppositifolium, Chrysosplenium alternifolium, Impatiens noli-tangere, Ribes rubrum.
Formations of Fraxinus excelsior and Alnus glutinosa of sub-Atlantic and subcontinental middle Europe, distributed in western Europe, in northern, Central and Eastern Europe, extending south in Central Europe to the confines of the Fagion sylvaticum, Fagion illyricum and Carpinion illyricum zones, with an abundance of Carex remota, Carex strigosa, Carex pendula, Carex sylvatica.