Includes a botanical dictionary, advice for gardeners, and a store selling plants.

a botanical research and biotechnology organization specializing in tissue culture, photomicroscopy, and the production of educational materials for universities.

Collaborative organization dedicated to conserving and restoring the rare native plants of the United States. Includes information on conservation techniques.

Information on the biology of this plant and its uses for environmental, economic, nutritional, and medical purposes; emphasizing erosion control.

Conducts research programs on molecular-biological, genetical, biochemical, physiological and cytological aspects of plant development and plant breeding. [English and German versions available.]