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
♦ 6FORAGING ECOLOGY OF PARROTS IN A MODIFIED LANDSCAPE: SEASONAL TRENDS AND INTRODUCED SPECIES, GREG D. MATUZAK, M. BERNADETTE BEZY, AND DONALD J. BRIGHTSMITH, The Wilson Journal of Ornithology 120(2):353365, 2008
♦ 7Host-plant selection, diet diversity, and optimal foraging in a tropical leafcutting ant, L.L. Rockwood and S.P. Hubbell, Oecologia (Berlin) (1987) 74:55-61
♦ 8HOSTS - a Database of the World's Lepidopteran Hostplants Gaden S. Robinson, Phillip R. Ackery, Ian J. Kitching, George W. Beccaloni AND Luis M. Hernández
♦ 9del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.).
Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona.