Willow scrub dominated by Salix purpurea ssp. lambertiana and Salix elaeagnos ssp. angustifolia of water courses of southern France, Italy and Mediterranean eastern Spain south to the Rio Segura basin; Salix purpurea and Salix triandra scrubs lining watercourses of mediterranean and sub-Mediterranean northwest Africa, the first extending south to the Anti-Atlas and Saharan Atlas, the second limited to eastern and middle northern Algeria.