Xanthoparmelia succedans Elix and Johnston
in Elix, Johnston & Armstrong, Bull. Br. Mus. nat. Hist., Bot. 15(3): 333 (1986).
Synonyms: Index Fungorum
Type: xxx.
Thallus: foliose, tightly adnate on rock, rather firm, 4-6 cm broad; lobes subirregular to sublinear, contiguous to imbricate, 1-2 mm wide; upper surface continuous, emaculate, shiny, moderately isidiate, the isidia cylindrical to irregularly inflated, 0,06-0,1 mm in diameter, 0,1-0,2 mm high, the tips syncorticate, pale, simpleto branched; medulla white; lower surface plane, pale brown to brown, moderately rhizinate, the rhizines pale brown, simple, 0,2-0,4 mm long. Pycnidia lacking. Apothecia rare, substipitate, 1-4 mm in diameter; spores 6 x 9 µm.
Photobiont: Trebouxia.
Chemistry: Stictic acid (major), constictic acid (minor), norstictic acid (trace), salazinic acid (minor), cryptostictic acid (trace), usnic acid.
Ecology:
Molecular data: Genbank
Distribution: Database
Note: