Preliminary version 1 October 2013
Stirtonia neotropica Aptroot
Lichenologist 41: 621 (2009).
Synonym: Index Fungorum
Type: Netherlands Antilles, Sint Eustatius, Quill National Park, Quill Trail, c. 200 - 300 m alt., 29 January 2008, W. R. Buck 53004 (NY - holotype, ABL - isotype, B - isotype).
Barcode:
Coordinates:
Thallus: crustose, spreading, covering an area of up to 10 cm diameter, contiguous, smooth, pale olivaceous, < 0.1 mm thick, slightly shiny, without calcium oxalate crystals, IKI-. Ascigerous zones delimited, linear, branched and anastomosing, not raised, white, pruinose, conspicuously red-brown dotted when abraded, without calcium oxalate crystals but with tiny crystals above the asci causing the upper surface to be dark dotted, without algal cells. Asci in surface view red-brown, in lines, ovoid, with 8 ascospores, IKI-. Ascospores 7 - 10 - 11-septate, ellipsoid, 35-38 /10-12 µm, cells equal, walls and septa >1 µm thick (Aptroot 2009: 621).
Photobiont: Green alga.
Chemistry: Gyrophoric acid present (TLC). Thallus and ascigerous zones patchily C+ red, furthermore C-, Pd-, KOH-, UV- (Aptroot 2009: 621).
Ecology: on bark.
Molecular data: Genbank
Distribution: Database
Note: