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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
Pyrenula confinis (Nyl.) R.C.Harris

More Florida Lichens 109 (1995)

Verrucaria confinis Nyl., Ann. Sci. Nat., Bot., sér. 4, 3: 174 (1855); Anthracothecium confine (Nyl.) Müll.Arg., Linnaea 63: 45 (1880).

T: Chile, coll. unknown; holo: H-NYL n.v.

Anthracothecium corticatum Müll.Arg., Bull. Soc. Roy. Bot. Belgique 30: 96 (1891); Pyrenula corticata (Müll.Arg.) R.C.Harris, Mem. New York Bot. Gard. 49: 89 (1989). T: San José, Costa Rica, 1890, H.Pittier s.n.; holo: G n.v.

  Thallus white to greyish, lacking pseudocyphellae, not corticate. Ascomata solitary, subglobose, erumpent from the substratum, the sides often partly covered by the thallus, c. 0.3–0.5 mm diam. Ascomatal wall without crystals, to 100 μm thick; ostiole usually apical, black. Hamathecium not inspersed with oil droplets, IKI+ orange. Ascospores 8 per ascus, irregularly uniseriate, muriform, with c. 4 rows of 2–4 locules, ellipsoidal, with rounded ends, grey, 12–22 × 7–13 μm; lumina usually rounded, occasionally angular.
CHEMISTRY: Thallus usually UV+ yellow; lichexanthone detected with TLC.
  Occurs in tropical N.T. and Qld; also on Christmas Island. Pantropical, mostly in open, coastal areas.  
  Aptroot (2009c)  

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

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