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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 furcata (Müll.Arg.) Hale
  Phytologia 28: 487 (1974); Parmelia furcata Müll.Arg., Flora 69: 256 (1886). T: N.S.W., F.W.L.Leichhardt; holo: G; iso: M. *****Parmelia foliosa Kremp. ex Gyeln., Ann. Hist.-Nat. Mus. Natl Hung. 29: 35 (1935). T: N.S.W., F.W.L.Leichhardt; holo: W: iso: M, MEL.  
  Thallus foliose, loosely adnate, to 5–10 cm wide. Lobes loosely imbricate, flat, linear-elongate, divaricate, with subirregular dichotomous branching, to 8 mm long, 0.5–1.5 mm wide; margins often subascending at apices exposing lower surface. Upper surface yellow-green, shiny or dull, emaculate, smooth, lacking soredia and isidia; lobe margins shiny, black or brown. Medulla white. Lower surface shiny or matt, rugose, pale brown to chocolate-brown, to almost black near apices; rhizines very sparse, simple, robust, concolorous. Apothecia subpedicellate, to 5 mm wide; disc concave, brown to dark brown; thalline exciple thin, involute, crenulate, incised. Ascospores 6–8 × 4.5–5.5 µm. Pycnidia common. Conidia bifusiform, 5–6 × 0.5 µm. CHEMISTRY: cortex K-, UV-; medulla K-, C-, KC+ rose, P-; containing usnic acid, loxodin, norlobaridone, rarely conorlobaridone (trace) and rarely norlobariol methyl ester (trace).
  Common. Scattered on dry, well drained rock surfaces throughout southern and eastern Australia (W.A., S.A., Qld, N.S.W., A.C.T., Vic. and Tas.); also on the North Is. of New Zealand (Central Auckland).  
  Elix (1994z)  

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

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