Xanthoparmelia kalbii Hale
Mycotaxon 20, 1: 74 (1984).
Synonyms: Index Fungorum
Type: Brazil, Pernambuco, Parque Nacional do Catimbau, Catimbal- Pe, Xavier 754 (US - holotype).
Thallus: foliose, adnate, fragile, 4-4 cm broad, light yellowish green; lobes subirregular, 1-2 mm wide, contiguous to imbricate; upper surface continuous, emaculate, shiny, moderalely isidiate, the isidia globose, 0,08-0,12 mm in diameter, 0,1-0,2 mm high, the tips becoming epicorticate, eroding and erumpent, esorediate, unbranched; medulla white; lower surface plane, pale brown, sparsely to moderately rhizinate, the rhizines pale brown, simple or furcate, 0,2-0,6 mm long. Pycnidia rarely developed; conidia bifusiform, 0,5 x 5-6 µm. Apothecia rare, substipitate, 1-2 mm in diameter; spores 6 x 10-11 µm.
Photobiont: Trebouxia.
Chemistry: Hypostictic acid, hypoconstictic acid, hyposalazinic acid, usnic acid.
Ecology: On rock.
Molecular data: Genbank
Distribution: Brazil. Database
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