Attributes / relations provided by
♦ 1Wood Janka Hardness Scale/Chart J W Morlan's Unique Wood Gifts
♦ 2Jérôme Chave, Helene C. Muller-Landau, Timothy R. Baker, Tomás A. Easdale, Hans ter Steege, Campbell O. Webb, 2006.
Regional and phylogenetic variation of wood density across 2,456 neotropical tree species. Ecological Applications 16(6), 2356 - 2367
♦ 3Cockle, K., G. Capuzzi, A. Bodrati, R. Clay, H. del Castillo, M. Velázquez, JI Areta, N. Fariña, and R. Fariña. 2007.
Distribution, abundance, and conservation of Vinaceous Amazons (Amazona vinacea) in Argentina and Paraguay Journal of Field Ornithology 78:21–39