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2. Factors influencing development of cryptogamic soil crusts in Utah deserts;Anderson;Journal of Range Management,1982
3. Seeds, ecology, biogeography, and evolution of dormancy and germination;Baskin,1998
4. Nitrogen fixation in biological soil crusts;Belnap,2001
5. The world at your feet: Desert biological soil crusts;Belnap;Frontiers in Ecology and the Environment,2003