Center for Plant Conservation
- Collaborative organization dedicated to conserving and restoring the rare native plants of the United States. Includes information on conservation techniques.
- http://www.centerforplantconservation.org/

Root Biology and Mycorrhiza Research Group
- Descriptions of current research projects at the Department of Botany, University of Guelph, Ontario, Canada.
- http://www.uoguelph.ca/botany/people/faculty/peterson/research.html

About.com: Botany
- A page of links and articles.
- http://botany.about.com/

Botanical Society of America Image Collection
- Collection of 14 sets of educational images for instructional use, with search capability.
- http://images.botany.org/

Botanical Publications Database
- Database of publications used to verify the entry of publication names in the Harvard Herbaria catalog.
- http://www.huh.harvard.edu/databases/cms/publication_index.html

Botanical Authors Database
- Search the database of authors who contributed to the contents of the catalog of type specimens in the Harvard University Herbaria.
- http://www.huh.harvard.edu/databases/cms/botanist_index.html

International Plant Genetic Resources Institute
- Contains information on IPGRI, resources, and press releases.
- http://www.cgiar.org/ipgri/

Botany Encyclopedia
- Includes a botanical dictionary, advice for gardeners, and a store selling plants.
- http://www.botany.com/

International Centre for Research and Training on Seabuckthorn
- Information on the biology of this plant and its uses for environmental, economic, nutritional, and medical purposes; emphasizing erosion control.
- http://www.icrts.org

Plant Tissue Culture Information Exchange
- Intended to give researchers, teachers and producers rapid access to information about plant tissue culture.
- http://aggie-horticulture.tamu.edu/tisscult/tcintro.html

Green Plant Phylogeny
- Green plant phylogeny research coordination group.
- http://ucjeps.berkeley.edu/bryolab/greenplantpage.html

Hunt Institute for Botanical Documentation
- A division of Carnegie Mellon University. Archives, research, art, and information about the institute are included.
- http://huntbot.andrew.cmu.edu

Max Planck Institute for Plant Breeding Research
- Conducts research programs on molecular-biological, genetical, biochemical, physiological and cytological aspects of plant development and plant breeding. [English and German versions available.]
- http://www.mpiz-koeln.mpg.de/

Botresearch USA
- a botanical research and biotechnology organization specializing in tissue culture, photomicroscopy, and the production of educational materials for universities.
- http://www.botresearch.com/

Glossary of Botanical Terms
- Contains more than 2,500 terms relating to botany, gardening, horticulture and landscape architecture. Fully searchable and it is regularly updated.
- http://www.gardenweb.com/glossary/

Institute for Plant Ecology
- Information about research and teaching activities with focus on biodiversity and ecophysiology in different climatic regions, based at the University Münster.
- http://www.uni-muenster.de/Biologie/pflanzenoekologie