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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
Collema leucocarpum Hook.f. & Taylor
  London J. Bot. 3: 657 (1844)
T: Tas., R.Gunn; lecto: FH (Herb. Taylor), fide G.Degelius, Symb. Bot. Upsal. 20(2): 129 (1974). *****Synecoblastus leucocarpus var. petraeus F.Wilson, Proc. Roy. Soc. Victoria 5: 154 (1893). T: Tallarook Ranges, Vic., 3 Nov. 1885, F.R.M.Wilson; holo: NSW (L 2393).
  Thallus to 10 cm wide, membranous, rounded, adnate or not, smooth, matt or slightly glossy, without isidia, olive-green to brownish green. Lobes 6–8 mm broad, few, rounded to elongate, imbricate, lobulate; margins ascending, crisped, deeply lobate. Apothecia scattered or dense, to 1.5 mm wide, laminal to submarginal, sessile with constricted base or broadly adnate; disc flat becoming convex, white-pruinose, sometimes grey-pruinose; thalline exciple thin to moderately thick, entire, smooth, not prominent, disappearing. Asci 65–85 × 13–20 µm. Ascospores 30–65 × 4.5–6.5 µm, fusiform, straight to curved, with acute or obtuse ends, thin-walled, 6–8-celled, sometimes constricted at septa, sometimes septa indistinct, end-cells sometimes longer than others. Pycnidia common, to 260 µm wide, laminal; pycnidial gel hyaline or pale yellow. Conidia 4–4.5 × 1.2–1.4 µm, straight, slightly swollen towards ends.
  Occurs in the temperate Southern Hemisphere, but is most common in New Zealand and southern Australia (W.A., N.S.W., A.C.T., Vic. and Tas.).  
  Filson (1992d)  

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

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