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Webb, Len (1 Oct 1959). "A Physiognomic Classification of Australian Rain Forests". Journal of Ecology. 47 (3). British Ecological Society : Journal of Ecology Vol. 47, No. 3, pp. 551-570: 551–570. Bibcode:1959JEcol..47..551W. doi:10.2307/2257290. JSTOR2257290.
Webb, Len (1 Oct 1959). "A Physiognomic Classification of Australian Rain Forests". Journal of Ecology. 47 (3). British Ecological Society : Journal of Ecology Vol. 47, No. 3, pp. 551-570: 551–570. Bibcode:1959JEcol..47..551W. doi:10.2307/2257290. JSTOR2257290.
World Wildlife Fund, ed. (2001). "Puerto Rican moist forests". WildWorld Ecoregion Profile. National Geographic Society. Archived from the original on 2010-03-08. Retrieved 2010-11-17.
World Wildlife Fund, ed. (2001). "Puerto Rican moist forests". WildWorld Ecoregion Profile. National Geographic Society. Archived from the original on 2010-03-08. Retrieved 2010-11-17.