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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
     
     
Cryptothecia irregularis R.Lücking, Aptroot, Kalb & Elix
     
 

in R.Lücking, G.Thor, A.Aptroot, K.Kalb & J.A.Elix, Lichenologist 38: 239 (2006)

T: Barron Falls station of the Skyrail, a few km N of Cairns, Qld, 16°50’50”S, 145°40’15”E, submontane rainforest with Araucaria cunninghamii, Cyathea cooperi, Ficus destruens, Alstonia sp. and Xanthostemon sp., 29 Aug. 2002, K.Kalb 34945; holo: CANB; iso: Herb. Kalb.: Barron Falls station of the Skyrail, a few km N of Cairns, Qld, 16°50’50”S, 145°40’15”E, submontane rainforest with Araucaria cunninghamii, Cyathea cooperi, Ficus destruens, Alstonia sp. and Xanthostemon sp., 29 Aug. 2002, K.Kalb 34945; holo: CANB; iso: Herb. Kalb.

 

[Cryptothecia candida auct. non (Kremp.) R.Sant.: A.Vězda & K.Kalb, Nova Hedwigia 53: 217 (1991)]

 
     
  Thallus foliicolous, 1–3 cm wide, adnate, smooth to indistinctly farinose-byssoid, dull greenish grey, with scattered paler and slightly raised areas, 10–20 μm thick; isidia and globose granules absent. Prothallus indistinct, byssoid, mainly of radiating hyphae, white. Photobiont cells aggregated in small groups, rounded to oblong, 7–12 × 5–8 μm. Medulla indistinct, white. Ascigerous parts common, erumpent, slightly raised above thallus level, irregular to radially elongate, white with darker dots indicating individual asci. Asci solitary, 8-spored. Ascospores oblong-ellipsoidal, 50–70 × 15–30 μm. Pycnidia not seen.
CHEMISTRY: Thallus K–, C–, KC–, P+ yellow, UV–; containing psoromic acid (major), 2’-O-demethylpsoromic acid (minor), subpsoromic acid (minor).
     
  Known from the type locality in north-eastern Qld; also in China (Hong Kong).  
     
   
     
     
  Elix (2009c)  

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