Picea abies forests of the montane level of the inner Alps, characteristic of regions climatically unfavourable to both beech and fir. Analogous Picea abies forests of the montane and collinar levels of the inner basin of the Slovakian Carpathians subjected to a climate of high continentality.
Xerophile, more or less mesotrophic inner Alpine Picea abies or Picea abies-Abies alba forests, often characterized by an admixture of deciduous trees, in particular Acer pseudoplatanus, Fraxinus excelsior, and with a species-rich herb layer comprising Oxalis acetosella, Galium rotundifolium, Galium odoratum, Anemone nemorosa, Doronicum austriacum, Petasites albus, Primula elatior, Fragaria vesca, Cardamine trifolia, Carex montana and Melica nutans.