title: Cryptoendolithic lichen and cyanobacterial communities of the Ross Desert, Antarctica.
abstract: Cryptoendolithic microbial communities in the Ross Desert (McMurdo Dry Valleys) are characterized on the basis of photosynthetic microorganisms and fungi.  Two eukaryotic communities (the lichen-dominated and Hemichloris communities) and three cyanobacterial communities (the red Gloeocapsa, Hormathonema-Gloeocapsa, and Chroococcidiopsis communities) are described.  Eleven coccoid, one  pleurocapsoid, and five filamentous cyanobacteria occurring in these communities are characterized and illustrated.  The moisture grade of the rock substrate seems to affect pH, formation of primary iron stain, and the distribution of microbial communities.
authors.affiliation: Department of Biological Science, Florida State University, Tallahassee 32306-2043, USA.
authors.forename: E I
authors.initials: EI
authors.lastname: Friedmann
authors.forename: M
authors.initials: M
authors.lastname: Hua
authors.forename: R
authors.initials: R
authors.lastname: Ocampo-Friedmann
mesh_terms: D000864:Antarctic Regions; D000458:Cyanobacteria / Q000145:classification / Q000302:isolation & purification* / Q000502:physiology*; D004463:Ecology; D005658:Fungi / Q000302:isolation & purification / Q000502:physiology; D055593:Geological Phenomena; D005844:Geology; D006813:Humidity; D006863:Hydrogen-Ion Concentration; D007501:Iron / Q000032:analysis; D008011:Lichens / Q000145:classification / Q000302:isolation & purification* / Q000502:physiology*; D010788:Photosynthesis / Q000502:physiology
chemical_list: D007501:Iron