Grasslands & The Grassland Biome: Facts, Plants, Animals, Ecology
Steppes: The Plants and Ecology of the World's Semi-arid Regions: Bone, Michael, Johnson, Dan, Kelaidis, Panayoti, Kintgen, Mike, Vickerman, Larry G., Denver Botanic Gardens: 9781604694659: Amazon.com: Books
Mammoth steppe - Wikipedia
Steppe
Steppe in Geography: Definition & Examples | What is a Steppe? | Study.com
Differences Between Steppes & Savannas | Sciencing