^"Merbau penuhi ciri Simbolik Malaysia" [Merbau meets the characteristics of Malaysia symbolic] (in Malay). Radio Televisyen Malaysia. 23 August 2019. Archived from the original on 24 August 2019. Retrieved 24 August 2019. The Merbau Tree or its scientific name Intsia Palembanica is also known as Malacca Teak, Borneo Teak and Moluccan Ironwood for loggers.
^Rick Steves Scotland (second edition) By Rick Steves
^"National tree". Government of South Africa. Retrieved 8 July 2019.
^The Complete Guide to National Symbols and Emblems [2 volumes] By James B. Minahan, p.559 (2010)
^In 2004 the United States Congress passed legislation designating a National Tree for the United States. The oak tree was chosen after a four-month voting process hosted by the Arbor Day Foundation. No specific oak species is selected, thus the genus Quercus must serve as the National Tree. http://www.usna.usda.gov/Gardens/collections/statetrees.html