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Australian Biological Resources Study

Checklist of the Lichens of Australia and its Island Territories
Introduction | A–D | E–O | P–R | S–Z | Oceanic Islands | References
Xanthoparmelia hypoprotocetrarica (Kurok. & Elix) Hale
  Phytologia 28: 487 (1974); Parmelia hypoprotocetrarica Kurok. & Elix, J. Jap. Bot. 46: 113 (1971). T: Coppins Crossing, A.C.T., 1969, J.A.Elix 101; holo: TNS; iso: CANB, MEL.  
  Thallus foliose, loosely adnate, to 6–8 cm wide. Lobes imbricate, flat, sublinear, subdichotomously branched, 1–2.5 mm wide; laciniae sublinear-elongate, subdichotomously branched, sometimes dominating thallus, 0.5–1 mm wide; margins crenate or not; apices often subascending. Upper surface yellow-green, dull, with distinct or effigurate maculae, becoming rugulose, lacking isidia and soredia; lobes often black-margined, particularly towards apices. Medulla white. Lower surface rugulose or not, black; rhizines sparse, simple, tufted or not, robust, black. Apothecia subpedicellate, 3–7 mm wide; disc concave, dark brown; thalline exciple maculate, distinctly undulating. Ascospores 6–8 × 4–5 µm. Pycnidia common. Conidia bifusiform, 5–6 × 0.5 µm. CHEMISTRY: cortex K-, UV-; medulla K-, C-, KC-, P-; containing usnic acid, hypoprotocetraric acid and ±4-O-demethylnotatic acid (trace).
  Locally common on rock in subalpine zones and upland areas with moderate rainfall in southern Australia (S.A., N.S.W., A.C.T. and Vic.); also in South Africa.  
  Elix (1994z)  

Checklist Index
Introduction | A–D | E–O | P–R | S–Z | Oceanic Islands | References

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