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.
Curated OER
Etc: Maps Etc: North American Vegetation Regions, 1901
A map from 1901 of North America, Central America, Greenland, and the Caribbean to Puerto Rico showing the general vegetation regions. The map shows areas of deserts, tundras, and ice fields, areas of grassy lands, areas of open forests,...