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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 macularis (Zahlbr.) R.C.Harris

Mem. New York Bot. Gard. 49: 94 (1989)

Anthracothecium maculare Zahlbr., Mycologia 22: 70 (1930).

T: Yauco, Porto Rico [Puerto Rico], 30 Dec. 1915, B.Fink 1578; iso: NY.

  Thallus brownish to olive-green, with pseudocyphellae, corticate. Ascomata solitary, subglobose, erumpent from the substratum, the sides often partly or largely covered by the thallus, c. 0.3–0.5 mm diam. Ascomatal wall with crystals, to 100 μm thick; ostiole apical, pale. Hamathecium not inspersed with oil droplets, IKI+ orange. Ascospores 8 per ascus, irregularly biseriate, muriform, with c. 8 rows of c. 3–8 locules, fusiform, with rounded ends, grey to brown, 38–50 × 15–20 μm; lumina rounded; old spores containing globules of an orange oily substance.
CHEMISTRY: No substances detected.
  Occurs in northern N.T. and eastern Qld; also on Christmas Island. Pantropical, mostly in open, coastal areas, but also in lowland forest.  
  Aptroot (2009c)  

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

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