Type in the family name of a vascular plant, and see how its genera and species are distributed.

Sponsors public outreach programs, research projects, and the Sida, Contributions to Botany Journal. Learn about the children's library.

Find out about the research on the vegetation and ecology of cliffs, from the University of Guelph in Ontario, Canada.

Promotes research and education in the biology and conservation of tropical ecosystems. Includes a newsletter, calendar and ecology links.

Encyclopedia entry provides a definition of this fertilizing agent, and this history of its use.

Provides a definition of the term and describes the different microscopic plants and animals and their role in the food chain.

Gives a definition of this type of grassland and describes its vegetation, soil, and rainfall.