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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 finitima Müll.Arg.

Flora 70: 429 (1887)

T: Toowoomba, Qld, C.H.Hartmann; holo: G.

Pyrenula oxysporiza Zahlbr., Cat. Lich. Univ. 1: 449 (1922); Pyrenula oxyspora Müll.Arg., Rep. Australas. Assoc. Advancem. Sci. 1895: 456 (1895), nom. illeg., non Pyrenula oxyspora (Nyl.) Hepp (1857). T: Trinity Bay, [Cairns], Qld, W.A.Sayer; holo: G.

  Thallus brownish to olive-green, lacking pseudocyphellae, corticate. Ascomata solitary, subglobose, erumpent from the substratum, the sides often partly covered by the thallus, c. 0.5–0.7 mm diam. Ascomatal wall lacking crystals, to 100 μm thick; ostiole apical, pale. Hamathecium not inspersed with oil droplets, or somewhat inspersed near the apex, IKI–. Ascospores 8 per ascus, irregularly biseriate, 3-septate, fusiform, with pointed and at least one acuminate end, grey to brown, 21–28 × 7–10 μm; lumina angular; terminal lumina often elongate, not or only slightly separated from the exospore by an endospore layer.
CHEMISTRY: No substances detected.
  Occurs in forest in northern N.T., eastern Qld, Vic. and Tas.; endemic.  
  Aptroot (2009c)  

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

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