@misc{indiciaee50ec33b328d, title = {Three distinct clades of cultured heterocystous cyanobacteria constitute the dominant N2-fixing members of biological soil crusts of the Colorado Plateau, USA}, author = {C.M. Yeager and J. L. Kornosky and R.E. Morgan and E.C. Cain and F. Garcia-Pichel and D.C. Housman and J. Belnap and C.R. Kuske}, year = {2007}, doi = {10.1111/j.1574-6941.2006.00265.x}, url = {https://pubs.usgs.gov/publication/70029917}, note = {Source identifier: 70029917} }