Sibley, D. (2009). The Sibley guide to trees. New York: Alfred A. Knopf. 49.
Tredici, P. D. (2010). Wild urban plants of the northeast: A field guide. Ithaca, NY: Cornell University Press, 94.
Tredici, P. D. (2010). Wild urban plants of the northeast: A field guide. Ithaca, NY: Cornell University Press, 170.
Sibley, D. A. (2009). The Sibley guide to trees. New York: Knopf, 270.
Sibley, David Allen (2009). The Sibley Guide to Trees. New York, NY: Knopf. 337.
A male great curassow strolling directly in front of the Sirena Ranger Station porch, provided great viewing and entertainment!
Sibley, D. A. (2009). The Sibley guide to trees. New York: Knopf. (49).
Godoya antioquiensis (Ochnaceae) from the summit of a tepui in the Cordillera del Condor