References

Plant Books (download an extensive, annotated, list of plant books here.)

1. Carrasquilla R., Luis G. 2005. Trees and Shrubs of Panama [Árboles y Arbustos de Panamá]. University of Panama/National Environmental Authority [Universidad de Panamá/Autoridad Nacional del Ambiente]. 479 pp.
2. Elpel, Thomas J. 2004. Botany in a Day: The Patterns Method of Plant Identification. HOPS Press. Pony, Montana. 221 pp.
3. Gentry, Alwyn H. 1993. A Field Guide to the Families and Genera of Woody Plants of Northwest South America (Colombia, Ecuador, Peru), with Supplementary Notes on Herbaceous Taxa. University of Chicago Press. 895 pp.
4. Hallé, Francis. 1999. In Praise of Plants. Timber Press, Portland, OR. 334 pp.
5. Keller, Roland. 2004. Identification of Tropical Woody Plants in the Absence of Flowers: A Field Guide. 2nd Ed. Birkhäuser Verlag. Berlin. 294 pp + plates.
6. Kricher, John. 1997. A Neotropical Companion. An introduction to the animals, plants, & ecosystems of the New World tropics. 2nd Ed. Princeton University Press. 451 pp.
7. Maas, P.J.M., and L.Y.Th. Westra. 2005. Neotropical Plant Families. 3rd edition. A.R.G. Gantner Verlog K.G. 358 pp.
8. Mabberley, D.J. 1997. The Plant-Book. A portable dictionary of the vascular plants. 2nd Ed. Cambridge University Press. 858 pp.
9. Michener, M. C. 2004. Graminoids: A guide to some common grasses, sedges, and rushes of he northeastern USA. (Interactive PDF document). MIST Software Associates, Inc., Hollis, NH. 128 pp.
10. Zuchowski, Willow. 2005. A Guide to Tropical Plants of Costa Rica. Distribuidores Zona Tropical, S.A., Miami, FL. 529 pp.

Online Plant ID Resources

• Click here for an annotated list of online plant ID resources.