The following is a list of ecoregions in Portugal, including the Azores and Madeira, according to the Worldwide Fund for Nature (WWF).
Terrestrial ecoregions
Mediterranean forests, woodlands, and scrub
Iberian sclerophyllous and semi-deciduous forests
Northwest Iberian montane forests
Southwest Iberian Mediterranean sclerophyllous and mixed forests
Temperate broadleaf and mixed forests
Azores temperate mixed forests
Cantabrian mixed forests
Madeira evergreen forests
Freshwater ecoregions
Southern Iberia
Western Iberia
Marine ecoregions
Azores Canaries Madeira
South European Atlantic
References
Spalding, Mark D., Helen E. Fox, Gerald R. Allen, Nick Davidson et al. "Marine Ecoregions of the World: A Bioregionalization of Coastal and Shelf Areas". Bioscience Vol. 57 No. 7, July/August 2007, pp. 573-583. Thieme, Michelle L. (2005). Freshwater Ecoregions of Africa and Madagascar: A Conservation Assessment. Island Press, Washington DC.