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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 ochraceoflava (Nyl.) R.C.Harris

Mem. New York Bot. Gard. 49: 96 (1989)

Verrucaria ochraceoflava Nyl., Mém. Soc. Acad. Maine-et-Loire 4: 50 (1858); Anthracothecium ochraceoflavum (Nyl.) Müll.Arg., Linnaea 63: 44 (1880).

T: Ecuador, A.J.A.Bonpland; holo: H-NYL n.v.

Verrucaria denudata f. ochrotropa Nyl., Bull. Soc. Linn. Normandie, sér. 2, 2: 129 (1868); Anthracothecium ochrotropum (Nyl.) Zahlbr., Cat. Lich. Univ. 1: 465 (1922). T: Lifou, Loyalty Islands, New Caledonia, E.F.Déplanche; holo: H-NYL n.v.

  Thallus yellow to orange or whitish, with rusty brownish patches, lacking pseudocyphellae, corticate. Ascomata simple, subglobose, erumpent from the substratum, often partly or almost completely covered by the thallus, c. 0.4–0.6 mm diam. Ascomatal wall lacking crystals, to 100 μm thick; ostiole apical, pale to brown. Hamathecium not inspersed with oil droplets, IKI+ orange. Ascospores 8 per ascus, irregularly biseriate, submuriform, with c. 4 rows of 2–4 locules, ellipsoidal, with rounded ends, grey, 12–25 × 8–13 μm; lumina mostly rounded to slightly angular.
CHEMISTRY: Thallus and, frequently, apothecia with yellow to orange, UV+ red and KOH+ violet anthraquinone. Its chemistry was elucidated by J.A.Elix (in P.M.McCarthy, Lichenologist 32: 31–32, 2000).
  Widespread in northern N.T. and eastern Qld; also on the Cocos (Keeling) Islands and 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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