MENDONCA, Luciana B.
 andÂ
ANJOS, Luiz dos. Flower morphology, nectar features, and hummingbird visitation to Palicourea crocea (Rubiaceae) in the Upper Paraná River floodplain, Brazil. An. Acad. Bras. Ciênc. [online].
2006,
vol.78, n.1, pp. 45-57.
ISSN 0001-3765.Â
http://dx.doi.org/10.1590/S0001-37652006000100006.
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