Xanthoparmelia hypomelaena (Hale) Hale
Phytologia 28, 5: 487 (1974).
Basionym: Parmelia hypomelaena Hale, (1968). Lit fehlt in IF
Synonyms: Index Fungorum
Type: xxx.
Thallus: foliose, tightly adnate to adnate, 4-10 cm broad, yellowish green; lobes subirregular to sublinear, 1-2 mm wide, contiguous to imbricate; upper surface continuous, emaculate, shiny, isidia and soredia lacking; medulla white; lower surface plane, black, simple, coarse, 0.2-0.4 mm long. Pycnidia common; conidia bifusiform, 0.5 x 5-6 µm. Apothecia numerous, substipitate, 1-2 mm in diameter; spores 5-6 x 10-12 µm.
Photobiont: Trebouxia.
Chemistry: Fumarprotocetraric acid, succinprotocetraric acid, physodalic acid (+/-trace), usnic acid.
Ecology: on rock.
Molecular data: Genbank
Distribution: Database
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