Heteroplacidium compactum (arrows) (Sokoloff 296), growing among Caloplaca trachyphylla (orange). The whitish (pruinose) lichen is Acarospora stapfiana, which is also a facultative parasite. Photo by C.E. Freebury.

 
  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