Attributes / relations provided by
♦ 1USDA Plants Database, U. S. Department of Agriculture
♦ 2Kattge, J. et al. (2011b)
TRY - a global database of plant traits Global Change Biology 17:2905-2935
♦ 3Las-Casas, F.M.G.; Azevedo-Junior, S.M.; Dias-Filho, M.M. 2012.
The community of hummingbirds (Aves: Trochilidae) and the assemblage of flowers in a Caatinga vegetation Brazilian Journal of Biology, v.72, p. 51-58
♦ 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