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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 austrolitoralis (Zahlbr.) Kalb & Elix

in J.A.Elix & K.Kalb, Australas. Lichenol. 63: 33 (2008)

Lecanora austrolitoralis Zahlbr., Meddel. Göteborgs Bot. Tråd. 2: 14 (1926).

T: Coquimbo, Loma Frei Jorge, Chile, auf Gestein, C.Skottsberg; holo: W.

Lecanora atra var. serialis Müll.Arg., Bull. Herb. Boissier 3: 632 (1895). T: Thursday Island, Qld, 1887, C.Knight 268; holo: G.

Lecanora atra var. australica Räsänen, Suom. Elain-ja Kasvit. Seuran Van. Tiedon. Pöytäkirjat 3: 179 (1949). T: Korunda [Kuranda], Cavins [Cairns], Qld, on gneiss rocks, 1893, F.R.M.Wilson s.n.; holo: H.

  Thallus crustose, bullate or areolate, off-white, pale grey to pale yellow-brown, to 5 cm wide, 0.5–0.9 mm thick. Areolae irregular in outline, 0.5–1.5 mm wide, congested, eventually fissured and separate, rarely cerebriform, smooth or uneven, glossy or matt, ±plane to convex, lacking isidia and soredia. Prothallus not apparent. Apothecia common, scattered to crowded, sessile, constricted at the base, 1.0–2.5 mm wide; disc weakly concave at first, then plane or weakly convex, ±round, glossy black, epruinose; thalline exciple usually prominent, persistent, smooth, rarely reduced; proper exciple colourless, 100–200 µm thick. Epihymenium dark violet-brown to black. Hymenium red-brown to violet-brown, 50–60 µm thick, finely inspersed. Hypothecium brown to yellow-brown, 100–150 µm thick. Ascospores simple, ellipsoidal to ovoid-ellipsoidal, thick-walled, 10–14 (–17) × 5–8 µm. Conidia filiform, straight, 10–20 × 0.8–1.0 µm.
CHEMISTRY: Thallus K+ yellow, C–, KC+ pink, P–, UV+ blue-white; containing atranorin (minor), α-collatolic acid (major), 4-O-methylphysodic acid (minor), alectoronic acid (minor), physodic acid (trace).
  Occurs in eastern Qld and N.S.W.; grows on rock in coastal habitats. Also in South America.  
  Elix (2009j)  

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

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