Black broom-oak forests

Xero-mesophile, thermophile, acidophile [Quercus petraea] forests, occupying generally small surfaces on warm, south-facing, steep, siliceous, gneiss, shist or granite slopes of the Danube trough of Upper Austria, the Lower Austrian Waldviertel, the Bohemian basin, the western foothills of the Apuseni mountains, the Olt valley in the Getic piedmont of the Southern Carpathians, the southeastern foothills of the Carpathian Curve, with [Lembotropis nigricans] ([Cytisus nigricans]) in the shrub layer and acidophilous species in the subshrub and herb layers, including [Genista tinctoria], [Digitalis grandiflora], [Hieracium umbellatum], [Hieracium sabaudum], [Luzula luzuloides], [Veronica officinalis], [Deschampsia flexuosa] ([Avenella flexuosa]), [Convallaria majalis].