Attributes / relations provided by
♦ 1i-Tree Species v. 4.0, developed by the USDA Forest Service's Northern Research Station and SUNY-ESF using the Horticopia, Inc. plant database.
♦ 2USDA Plants Database, U. S. Department of Agriculture
♦ 3WOOD SPECIFIC GRAVITY IN SPECIES FROM TWO TROPICAL FORESTS IN MEXICO, Josefina Barajas-Morales, IAWA Bulletin n.s., Vol. 8 (2), 1987 143-148
♦ 4del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.).
Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona.
♦ 5Ben-Dov, Y., Miller, D.R. & Gibson, G.A.P.
ScaleNet 4 November 2009