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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 victoriana Elix & J.Johnst.
  Mycotaxon 29: 367 (1987). T: The Whipstick–Millwood Rd, NNE of Huntly, Bendigo district, Vic., 11 Dec. 1984, J.Johnston 1592; holo: CANB; iso: MEL.  
  Thallus small-foliose to subcrustose, very tightly adnate, to 2–4 cm wide. Lobes not imbricate, widely separate to contiguous, flat, linear-elongate, dichotomously and sparingly branched, 0.2–0.8 (–1) mm wide. Upper surface yellow-green, darkening to deep olive-brown or blackish in older lobes, dull, emaculate; becoming cracked and forming areolae 0.2–0.5 mm wide in thallus centre; isidia dense in thallus centre, simple, globose then distorted-cylindrical, inflated, small (0.1–0.2 mm high); isidia apices epicorticate, eventually erumpent, barely sorediate. Medulla white. Lower surface pale brown to brown; rhizines sparse, simple, robust, brown. Apothecia rare, sessile, to 1 mm wide; disc concave to flat, dark brown; thalline exciple prominent, entire, smooth, without isidia. Ascospores 7–9 × 5–6 µm. Pycnidia not seen. CHEMISTRY: cortex K-, UV-; medulla K+ yellow, C-, P+ orange; containing usnic acid, stictic acid (major), constictic acid (minor), norstictic acid (minor) and cryptostictic acid (trace).
  A rare endemic species, known only from rock in W.A. and Vic.  
  Elix (1994z)  

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

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