Missouri Botanical Garden
Missouri Botanical Garden: Grasslands of the World
This site from the Missouri Botanical Garden explores the two types of grasslands: tropical and temperate. A brief overview of the grasslands of the world is provided, including a color-coded map.
Missouri Botanical Garden
Missouri Botanical Garden: World's Largest Deserts and North American Deserts
Information about the sizes of the world's largest deserts and about the deserts of North America.