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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 streimannii (Elix & P.M.Armstr.) Elix & J.Johnst.
  in J.A.Elix, J.Johnston & P.M.Armstrong, Bull. Brit. Mus. (Nat. Hist.), Bot. 15: 324 (1986); Parmelia streimannii Elix & P.M.Armstr., Austral. J. Bot. 31: 481 (1983). T: Teudts Hill, 5 km south-west of Bundanoon, N.S.W., 17 Sept. 1980, J.A.Elix 8977 & H.Streimann; holo: MEL.  
  Thallus foliose, loosely adnate to adnate, to 4–7 cm wide. Lobes radiating, imbricate or not, flat, sublinear-elongate, irregularly branched, 0.5–1.5 (–2) mm wide. Upper surface yellow-green, darkening with age, dull, emaculate, without soredia; older lobes irregularly fractured and areolae commonly formed; isidia dense, cylindrical, becoming extensively branched and coralloid; isidia apices syncorticate and intact. Medulla white. Lower surface pale brown, becoming darker near lobe apices; rhizines moderately dense, simple, brown. Apothecia sessile, to 5 mm wide; disc concave then ±flat, dark brown; thalline exciple isidiate. Ascospores 7–9 × 5–6 µm. Pycnidia rare. Conidia bifusiform, 5–7 × 0.5 µm. CHEMISTRY: cortex K-, UV-; medulla K+ yellow then dark red, C-, KC-, P+ yellow; containing usnic acid, norstictic acid, connorstictic acid and ±salazinic acid (trace).
  Scattered on rock in coastal areas and adjacent ranges in southern and eastern Australia (W.A., S.A., Qld, N.S.W., A.C.T., Vic. and Tas.); also on Three Kings Is. in far northern New Zealand.  
  Elix (1994z)  

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

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