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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
Tephromela sorediata Kalb & Elix

in J.A.Elix & K.Kalb, Australas. Lichenol. 58: 27 (2006)

T: trail to Mt Aggie, 43 km WSW of Canberra, A.C.T., 35°28’S, 148°46’E, on Acacia trunk in open Eucalytus delegatensis woodland, 17 Apr. 1994, J.A.Elix 40754; holo: CANB.

  Thallus crustose, continuous, rimose to areolate, grey-white to pale creamy white or creamy grey, to 4 cm wide, 0.05–0.15 mm thick, sometimes evanescent. Areolae rounded to irregular, 0.2–0.8 mm wide, uneven, granular, lacking isidia. Soralia laminal, capitate, 0.1–0.6 mm wide, ±spreading and coalescing; soredia white to cream or pale brown, farinose. Prothallus not apparent. Apothecia rare to common, scattered, sessile, 0.5–1.5 mm wide; disc ±plane or weakly concave, round, glossy black, epruinose; thalline exciple persistent, smooth or becoming sorediate; proper exciple poorly defined, 50–90 µm thick. Epihymenium violet-black. Hymenium violet, 50–70 µm thick. Hypothecium yellow to pale brown, 100–150 µm thick. Ascospores simple, ellipsoidal, thick-walled, 11–14 × 6–8 µm. Conidia filiform, straight, 12–17 × c. 1 µm.
CHEMISTRY: Thallus and soredia K+ yellow, C–, KC+ pink, P–, UV+ blue-white; containing atranorin (major), alectoronic acid (major).
  This endemic species is known from scattered localities in eastern N.S.W., A.C.T. and Tas.; grows on bark in montane Eucalyptus forest (750–1400 m).  
  Elix (2009j)  

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

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