Orig. (Braun-Blanquet et al. 1939): Soldanelleto-Piceetum Volk 1939 mss. (Soldanella montana, Picea excelsa = P. abies)
Syn.: Sphagno-Piceetum Richard 1961, Mastigobryo-Piceetum sensu auct. bohem. non Br.-Bl. et Sissingh in Br.-Bl. et al. 1939 (pseudonym), Bazzanio-Piceetum sensu auct. bohem. non Br.-Bl. et Sissingh in Br.-Bl. et al. 1939 (pseudonym)
Formální definice: Picea abies pokr. > 25 % AND (Bazzania trilobata pokr. > 5 % OR (Sphagnum girgensohnii pokr. > 25 % AND skup. Bazzania trilobata)) NOT skup. Eriophorum vaginatum NOT skup. Oxalis acetosella NOT Abies alba pokr. > 5 % NOT Athyrium distentifolium pokr. > 5 % NOT Fagus sylvatica pokr. > 5 % NOT Pinus sylvestris pokr. > 5 %