Orig. (J. Šmarda 1950): Piceetum-Equisetum sylvatici (Picea excelsa = P. abies)

Formal definition: Picea abies cover > 25 % AND group Cardamine amara NOT group Carex remota NOT group Cirsium oleraceum NOT group Epilobium angustifolium NOT group Galium odoratum NOT group Lysimachia vulgaris NOT group Mercurialis perennis NOT group Urtica dioica NOT Abies alba cover > 5 % NOT Acer pseudoplatanus cover > 5 % NOT Adenostyles alliariae cover > 5 % NOT Alnus glutinosa cover > 5 % NOT Alnus incana cover > 5 % NOT Athyrium distentifolium cover > 5.% NOT Fagus sylvatica cover > 5 % NOT Pinus sylvestris cover > 5 %