Biomes of the World - Missouri Botanical Garden. Frame on left lists plants, animals and other facts. Be sure you are looking only at North America!
Major Biomes of the World - Radford University. Use the links at top of page to access subcategories within each biome.
Mission: Biomes - The Earth Observatory at NASA Goddard Space Flight Center. Provides overview of each biome including, temperature, vegetation, location, etc.
The World's Biomes - University of California Berkeley. Describes characteristics of each major biome.
World Biomes - Covers five of the major world biomes.