The " Martian " flora: new collections of vascular plants, lichens, fungi, algae, and cyanobacteria from the Mars Desert Research Station, Utah Author Sokoloff, Paul C. Author Freebury, Colin E. Author Hamilton, Paul B. Author Saarela, Jeffery M. text Biodiversity Data Journal 2016 4 8176 8176 http://dx.doi.org/10.3897/BDJ.4.e8176 journal article http://dx.doi.org/10.3897/BDJ.4.e8176 1314-2828--8176 Trebouxia sp. 3 Trebouxia sp. 3 [ T. cf. gelatinosa Ahm./ T. cf. aggregata (Arch.) Gaertner ] Materials Type status: Other material . Occurrence: recordNumber: 290; recordedBy: Sokoloff, Paul C. ; Taxon: kingdom: Plantae; phylum: Chlorophyta; class: Trebouxiophyceae; order: Trebouxiales; family: Trebouxiaceae; genus: Trebouxia; Location: continent: North America; country: United States of America ; countryCode: USA; stateProvince: Utah; county: Wayne County; municipality: Hanksville; locality: Mars Desert Research Station ; verbatimLocality: "Comm check" hill, 1.7 km north of Mars Desert Research Station, just west of Cow Dung Road; verbatimElevation: 1371 m ; verbatimLatitude: 38°25'3.15"N ; verbatimLongitude: 110°46'54.59"W ; coordinateUncertaintyInMeters: 50; Identification: identifiedBy: Hamilton, Paul B. ; dateIdentified: 2016; Event: verbatimEventDate: November 22, 2014 ; habitat: Sandstone at crest of Artemisia and Ephedra dominated hilltop; Record Level: institutionID: CMN; collectionID: CANA 117865; collectionCode: CANA ; basisOfRecord: Dried Specimen Notes Cells spherical to weakly elliptical, 7.0-15.0 μm in diameter (Fig. 8 a-c). Chloroplast plate-like, covering most of the cell. Culturing of this taxon was not successful. Pyrenoid difficult to distinguish. Cell wall sheath 1-2+ μm thick. Small clusters of cells, or colonies of daughter cells. Endophytic within an unidentified lichen (brown-black spheres) from the Verrucariaceae family (Fig. 8.