Riparian woods of the boreal, boreo-nemoral, nemoral and submediterranean and steppe zones, with one or few dominant species, typically Alnus, Betula, Populus or Salix. Includes woods dominated by narrow-leaved willows Salix alba, Salix elaeagnos, Salix purpurea, Salix viminalis in all zones including the mediterranean. Excludes riverine scrub of broad-leaved willows, e.g. Salix aurita, Salix cinerea, Salix pentandra (F9.1).
Riparian formations of Alnus glutinosa, locally of Alnus cordata or Betula spp. of the Mediterranean basin and of western Iberia, often with Fraxinus angustifolia and Osmunda regalis.