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. ♦ 2
Kattge, 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 ♦ 5
Chave J, Coomes D, Jansen S, Lewis SL, Swenson NG, Zanne AE (2009) Towards a worldwide wood economics spectrum. Ecology Letters 12: 351-366.
Zanne AE, Lopez-Gonzalez G, Coomes DA, Ilic J, Jansen S, Lewis SL, Miller RB, Swenson NG, Wiemann MC, Chave J (2009) Data from: Towards a worldwide wood economics spectrum
. Dryad Digital Repository. ♦ 6
Ben-Dov, Y., Miller, D.R. & Gibson, G.A.P. ScaleNet
4 November 2009 ♦ 7
Jorrit H. Poelen, James D. Simons and Chris J. Mungall. (2014). Global Biotic Interactions
: An open infrastructure to share and analyze species-interaction datasets. Ecological Informatics.