Cluster dendrogram of our data encompassing 123 relevés of palustrine vegetation of montane and submontane areas of Northern Apennines (Italy). Relevés groups: 1, Typhetum angustifoliae; 2, Schoenoplectetum lacustris; 3, Peplis portula community; 4, Glycerietum fluitantis; 5, Eleocharitetum palustris; 6, Caricetum vesicariae; 7, Typhetum latifoliae; 8, Glycerio-Sparganietum neglecti; 9, Caltha palustris community; 10, Heracleo ternati-Petasitetum hybridi; 11, Beruletum erectae; 12, Glycerietum notatae; 13, Phragmitetum australis; 14, Equiseto palustris-Juncetum effusi; 15, Caricetum remotae; 16, Cardamine amara community; 17, Carici otrubae-Juncetum inflexi variant with Juncus effusus; 18, Carici otrubae-Juncetum inflexi; 19, Carici otrubae-Juncetum inflexi variant with Equisetum palustre.