Preliminary version 1 February 2013
Stirtonia alba Makhija & Patw.
Mycotaxon 67: 296 (1998).
Synonym: Index Fungorum
Type: Indonesia, Java, Bay of Serang, South of Blitar, on tree, January 1959, Groenhart 691 (L - holotype).
Thallus: spreading, covering an area of up to 10 cm diameter, contiguous, smooth, dirty whitish, less than 0.1 mm thick, lightly shiny, with calcium oxalate crystals, IKI+ blue. Ascigerous zone delimited, lirelliform, irregularly stellately branched, ca. 0.1 - 0.2 mm wide, up to 1.5 mm long, not raised, pale brown, not pruinose, not dotted, with calcium oxalate crystals, without algal cells, IKI+ blue. Asci invisible in surface view, globose to ovoid, with 8 ascospores. Ascospores 4 - 5-septate, ellipsoid, 38 - 60 / 14 - 22 µm, upper cell largest, walls and septa > 1 µm thick (Aptroot 2009: 617).
Photobiont:
Chemistry: Perlatolic acid (TLC). Thallus and ascigerous zones C-, Pd-, KOH-, UV- (Aptroot 2009: 617).
Ecology: On bark in tropical lowlands.
Molecular data: Genbank
Distribution: Database
Note: