Endress, Peter K. 1996. Diversity and Evolutionary Biology of Tropical Flowers. Cambridge University Press, 511p.
Faegri K. & van der Pijl L. 1979. The principles of pollination ecology. London: Pergamon Press.
Fahn, A. 1979. Secretory Tissues in Plants. New York: Academic Press.
Rech AR, Agostini K, Oliveira PE & Machado IC (orgs.) 2014. Biologia da Polinização. Rio de Janeiro: Editora Projeto Cultural.
Rosas-Guerrero V. et al. 2014. A quantitative review of pollination syndromes: do floral traits predict effective pollinators? Ecology Letters 17: 388-400.
Rudal, P. 2007. Anatomy of Flowering Plants: An Introduction to Structure and Development. Third Edition, Cambridge, 158p.