Attributes / relations provided by
♦ ¹Derived from Allergy-Free Gardening OPALS™, Thomas Leo Ogren (2000)
♦ 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
♦ ⁴Wood Technology Transfer Fact Sheets U.S. Department of Agriculture - Forest Service
♦ ⁵PARROT CLAYLICKS: DISTRIBUTION, PATTERNS OF USE AND ECOLOGICAL CORRELATES FROM A PARROT ASSEMBLAGE IN SOUTHEASTERN PERU, ALAN TRISTRAM KENNETH LEE, dissertation for DOCTOR OF PHILOSOPHY, Manchester Metropolitan University, November 2010
♦ ⁶del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona.
♦ ⁷Exudates as a Fallback Food for Callimico goeldii, LEILA M. PORTER, PAUL A. GARBER, AND EDILIO NACIMENTO, American Journal of Primatology 71:120–129 (2009)
♦ 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

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