March 25, 2024 Nelson, C. and F. Garcia-Pichel. 2021. Beneficial cyanosphere heterotrophs accelerate establishment of cyanobacterial biocrust. Applied and Environmental Microbiology 87(20):e01236-21. Home » Nelson, C. and F. Garcia-Pichel. 2021. Beneficial cyanosphere heterotrophs accelerate establishment of cyanobacterial biocrust. Applied and Environmental Microbiology 87(20):e01236-21.