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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 hyposalazinica Elix
  Mycotaxon 47: 123 (1993). T: W of Coppins Crossing, W of Canberra, A.C.T., 17 May 1992, J.A.Elix A1753; holo: CANB.  
  Thallus foliose, loosely adnate, to 3–5 cm wide. Lobes imbricate, flat, sublinear-elongate, di- or trichotomously branched, 0.5–1.5 mm wide; apices often ascending. Upper surface yellowish green, glossy or dull, emaculate, smooth, lacking soredia and isidia; lobes often blackened at margins. Medulla white. Lower surface rugulose, black; rhizines absent or sparse, simple, robust, 0.2–1 mm long, black. Apothecia sessile to subpedicellate, 2–4 mm wide; disc concave, dark brown; thalline exciple smooth, emaculate, undulating or not. Ascospores 9–12 × 5–7 µm. Pycnidia common. Conidia bifusiform, 5–6 × 0.5 µm. CHEMISTRY: cortex K-, UV-; medulla K+ yellow then dark red, C-, KC-, P+ yellow; containing usnic acid and hyposalazinic acid.
  Rare, endemic, known only from the type collection. Grows on rock.  
  Elix (1994z)  

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

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