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.
♦ 2Kattge, J. et al. (2011b)
TRY - a global database of plant traits Global Change Biology 17:2905-2935
♦ 3Wood Janka Hardness Scale/Chart J W Morlan's Unique Wood Gifts
♦ 4USDA Plants Database, U. S. Department of Agriculture
♦ 5Properties of Imported Tropical Woods, B. FRANCIS KUKACHKA, U.S. Department of Agriculture - Forest Service
♦ 6Ben-Dov, Y., Miller, D.R. & Gibson, G.A.P.
ScaleNet 4 November 2009