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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 pseudohypoleia (Elix) Elix & J.Johnst.
  in J.A.Elix, J.Johnston & P.M.Armstrong, Bull. Brit. Mus. (Nat. Hist.), Bot. 15: 311 (1986); Parmelia pseudohypoleia Elix, Austral. J. Bot. 24: 667 (1976). T: along Paddys River, near Murrays Corner, A.C.T., 28 Jan. 1976, J.A.Elix 1749; holo: MEL; iso: CANB.  
  Thallus foliose, loosely adnate, to 5–8 cm wide. Lobes often imbricate, flat, narrow, sublinear-elongate, di- or trichotomously branched, 0.5–1 (–2) mm wide. Upper surface yellow-green, shiny, with distinct or effigurate maculae, smooth, lacking isidia and soredia; lobes often black-margined, particularly towards apices. Medulla white. Lower surface rugulose or not, black; rhizines sparse to moderately dense, simple, robust, 0.5–1.5 mm long, black. Apothecia subpedicellate, 3–6 mm wide; disc concave, dark brown; thalline exciple maculate, thick, entire, involute, becoming dentate and cracked. Ascospores 6–8 × 4–5 µm. Pycnidia common. Conidia bifusiform, 5–6 × 0.5 µm. CHEMISTRY: cortex K-, UV-; medulla K+ pale yellow then brownish, C-, P+ orange-red; containing usnic acid, fumarprotocetraric acid, ±protocetraric acid (trace) and ±succinprotocetraric acid (trace).
  Relatively rare, on rock in mountain and tableland areas of south-eastern Australia (Qld, N.S.W., A.C.T., Vic. and Tas.).  
  Elix (1994z)  

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

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