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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
Porina aluniticola P.M.McCarthy
  Biblioth. Lichenol. 52: 27 (1993). T: Alum Mtn, 2 km E of Buladelah, N.S.W., 24 Apr. 1990, P.M.McCarthy s.n.; holo: MEL; iso: NSW.  
  Thallus epilithic, continuous to sparingly rimose, medium grey-green to dark green, matt, smooth, 20–40 µm thick, filmy and ±gelatinous when wet, ecorticate; prothallus not apparent. Algae Trentepohlia; cells 7–15 × 7–12 µm. Perithecia almost superficial, hemispherical to subglobose, 0.2–0.33 mm diam., black, not overgrown by the thallus; apex rounded or somewhat flattened; ostiole inconspicuous. Involucrellum purplish black in thin section, contiguous with the exciple, extending to exciple base level and frequently incurved, 40–60 µm thick, not containing algae, K+ reddish. Exciple 18–28 µm thick, purple-black. Centrum 0.15–0.21 mm wide. Asci elongate-cylindrical or narrowly obclavate, 103–123 × 14–18 µm. Ascospores fusiform to elongate-fusiform, 7–9 (–11)-septate, 26–47 × 5.5–8 µm; perispore not apparent. Pycnidia c. one-third immersed, 70–100 µm diam., black. Conidia not seen.
  Known from the type locality in eastern N.S.W.; grows on deeply shaded aluminium-rich rock. Also in Lord Howe Is.  
  McCarthy (2001b)  

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

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