Xanthoparmelia denudata Hale

xxx: 570 (1986). Keine Literatur in IF.

 

 

Synonyms: Index Fungorum

Protolog: Data lacking.
Type locality: South Africa, Cape Province, 1 km S of Nuwerus on Highway R363, east of N7, Grid 3118 AB, 500 m, 26 January 1986, M. E. Hale 72041 (US - holotype; LD, PRE - isotypes).
Barcode: Data lacking.
Coordinates: Data lacking.

 

Thallus: foliose, loosely on rock, forming continuous mats 5-8 cm broad or discrete, nearly umbilicate colonies 2-4 cm broad, coalescing into mats up to 15 cm broad, fragile, dark yellowish green; lobes sublinear, 0.6-1.3 mm wide, separate, ascending at the tips; upper surface distinctly white- maculate, shiny, transversely cracked with age, isidia and soredia lacking; upper medulla white, lower medulla in part ochre; lower surface plane, rugose, brown but eroding toward the center to expose the ochraceous medulla, black at the lobe tips, sparsely rhizinate, the rhizines brown or blackening, coarse, simple, up to 1 mm long. Pycnidia poorly developed; conidia not found. Apothecia rarely developed, substipitate, 3-6 mm in diameter; spores 6-7 x 8-10 µm.

Photobiont: Probably Trebouxia.

Chemistry: Salazinic acid, consalazinic acid (+/-), usnic acid, skyrin, chalybaeizans unknown (+/-).

Ecology: On rock.

Molecular data: Genbank

Distribution: Database

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