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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 alectoronica Kalb

Sauteria 15: 243 (2008)

T: Millstream Falls, Millstream Falls Natl Park, SW of Ravenshoe, Qld, alt. c. 760 m, on Eucalyptus, 10 Aug. 1993, H.Mayrhofer 11783 & E.Hierzer; holo: CANB; iso: GZU.

Lecanora atra var. immarginata C.Knight, in F.M.Bailey, Syn. Queensland Fl., Suppl. 1: 72 (1886). T: Mt Perry, Qld, C.Knight s.n.; holo: WELT; iso: BRI.

Lecanora atra var. virens Müll.Arg., Flora 65: 484 (1882). T: Illawarra, N.S.W., W.Kirton s.n.; holo: G..

  Thallus crustose, grey-white to pale creamy white or dark grey, continuous, rimose to bullate-areolate, to 6 cm wide, 0.15–0.25 mm thick. Areolae rounded to irregular, 0.2–0.3 mm wide, uneven, lacking isidia and soredia. Prothallus white or absent. Apothecia common, scattered, sessile, with a constricted base, 0.7–1.5 mm wide; disc ±plane or weakly concave, round or irregular, glossy black, epruinose; thalline exciple persistent, thick, smooth or crenulate; proper exciple poorly defined, 50–100 µm thick. Epihymenium violet-black. Hymenium purple-brown to purple-violet, 110–140 µm thick, not inspersed. Hypothecium orange-brown, 50–70 µm thick. Ascospores ellipsoidal, colourless, thick-walled, 12–17 ×
6–9 µm. Conidia filiform, straight, 14–20 × 1.0–1.2 µm.
CHEMISTRY: Thallus K+ yellow, C–, KC+ pink, P–, UV+ blue-white; containing atranorin (major), alectoronic acid (major), ±physodic acid (trace), ±α-collatolic acid.
  Common in W.A., Qld, N.S.W., A.C.T. and Vic.; grows on wood and bark in undisturbed 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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