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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 neotinctina (Elix) Elix & J.Johnst.
  in J.A.Elix, J.Johnston & P.M.Armstrong, Bull. Brit. Mus. (Nat. Hist.), Bot. 15: 297 (1986); Parmelia neotinctina Elix, Austral. J. Bot. 29: 363 (1981). T: 1 km north of Tallarook, Vic., 29 July 1978, J.A.Elix 4856; holo: MEL; iso: CANB. *****Parmelia conspersa var. constrictans f. isidiophora Müll.Arg., Flora 66: 47 (1883); Parmelia isidiigera f. isidiophora (Müll.Arg.) Gyeln., Ann. Hist.-Nat. Mus. Natl Hung. 29: 24 (1935). T: Mt Macedon, Vic., Moffatt 38; lecto: G, n.v., fide M.E.Hale, Smithsonian Contr. Bot. 74: 160 (1990).  

Thallus foliose, adnate, to 5–8 (–12) cm wide. Lobes imbricate, flat, linear-elongate to subirregular, irregularly branched, 1.5–4 (–8) mm wide; apices elongated or crenate and subrotund. Upper surface yellow-green to deep olive-green, sometimes blackening, shiny becoming dull, emaculate, smooth, without soredia; lobe margins often black; isidia usually dense, cylindrical, usually becoming densely branched and coralloid, often forming a dense isidiose mat; isidia apices syncorticate, intact, commonly black. Medulla white. Lower surface black, fading to black-brown or brown at apices of marginal lobes; rhizines sparse, simple, concolorous. Apothecia sessile, 2–4 (–7) mm wide; disc concave, brown to dark brown; thalline exciple isidiate. Ascospores 7–9 × 4.5–7 µm. Pycnidia rare. Conidia bifusiform, 5–6 ×0.5 µm. CHEMISTRY: cortex K-, UV-; medulla K+ yellow then dark red, C-, KC-, P+ intense yellow; containing usnic acid, norstictic acid (major), ±salazinic acid (trace) and ±connorstictic acid.

  Common and widely distributed on rock in coastal, montane and subalpine habitats in southern and eastern Australia (W.A., S.A., Qld, N.S.W., A.C.T., Vic. and Tas.); also on both main islands of New Zealand.  
  Elix (1994z)  

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

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