Psidium guajava, guava.

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Laura O'Brien

Contact Info:
Beatley Library
Simmons College
Boston, MA 02115
(781) 223-3862
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GRIN Taxonomy for Plants
Nomenclature for accessions of the National Plant Germplasm System (NPGS) from the USDA. Especially good for cultivated plants.
Integrated Taxonomic Information System
Authoritative taxonomic information on plants, animals, fungi, and microbes of North America and the world.
International Plant Names Index
A database of the names and associated basic bibliographical details of seed plants, ferns, and fern allies

Botanical Digital Libraries

Old World Reference Phytoliths
Images of reference material of phytoliths from the University College London archives. Online collection is incomplete.
Smithsonian Type Specimen Register
Search for images and data of botanical samples from the Smithsonian National Museum of Natural History's collection.
Global Biodiversity Information Portal (GBIF)
GBIF data portal provides access to species occurrence records and naming and taxonomic information.

Herbaria around the world hold physical collections of botanical reference materials for research and educational purposes. Many have been photographing their collections to create databases for online access.

Plant Identification eCenter - NCSU
North Carolina State University provides a searchable database of herbaria that have digitized their botanical reference materials.
Harvard University Herbaria
Missouri Botanical Garden
New York Botanical Garden - International Plant Science Center

Reference Books

Seeds: ecology, biogeography, and evolution of dormancy and germination, Baskin C, Baskin J, eds. San Diego (CA): Academic Press, 1998.
Essential information on seed dormancy for almost 4000 species from phylogentic and evolutionary biology perspective.
Paleoethnobotany: a handbook of procedures, by Pearsall D. 2nd ed. San Diego (CA): Academic, 2001.
The primary resource and reference source for scientific methods in paleoethnobotany. A must-have.
Encyclopedia of Archaeology, Pearsall D, ed. San Diego (CA): Elsevier/Academic, 2008.
Domestication of plants in the old world, Zohary D, Hopf M. 3rd ed. New York: Oxford University Press, 2000.
The standard work on plant domestication from preminent archaeobotanists Daniel Zohary and Maria Zopf. Covers all major food and non-food crops, with specific coverage by geographic region.
Encyclopedia of Anthropology, H. James Birx, editor. Thousand Oaks (CA): Sage, 2006.
Covers physical/biological anthropology, archaeology, cultural/social anthropology.