Gloeocapsa sp (Sokoloff 301). A blue-green layer of cyanobacteria (and an unknown chorophyte) growing on the underside of quartzite stone (stone has been flipped and the surface previously exposed is at the bottom of this photograph). Photo by P.C. Sokoloff.

  
  Part of: Sokoloff P, Freebury C, Hamilton P, Saarela J (2016) The "Martian" flora: new collections of vascular plants, lichens, fungi, algae, and cyanobacteria from the Mars Desert Research Station, Utah. Biodiversity Data Journal 4: e8176. https://doi.org/10.3897/BDJ.4.e8176