Successional and plagioclimax scrub, mostly deciduous, of Atlantic, sub-Atlantic or subcontinental affinities, characteristic of the nemoral zone, but also colonizing cool, moist or disturbed stations of the mediterranean evergreen forest zone. Included are thickets of Buxus sempervirens, Corylus avellana, Cytisus scoparius, Juniperus communis, Prunus spinosa, Rubus fruticosus and Ulex europaeus.