1. Acacias (genus Acacia);Heywood,1986
2. A Field Guide to Texas Trees;Simpson,1999
3. Flowers of Europe: A Field Guide;Polunin,1969
4. The Sibley Guide to Trees;Sibley,2009
5. Acacia melanoxylon. http://en.wikipedia.org/wiki/Acacia_melanoxylon. Accessed October 16, 2014.