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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
Pertusaria melanospora Nyl.
  Ann. Sci. Nat. Bot., sér. 4, 3: 159 (1855)
T: Quilmenco, Chile, C.Gay s.n.; lecto: H-NYL 23603, fide A.W.Archer & J.A.Elix, New Zealand J. Bot. 31: 111–116 (1993); isolecto: H-NYL 23604. *****Pertusaria crassilabra Müll.Arg., Hedwigia 32: 126 (1893). T: Loutit Bay, [near Lorne], Vic., 1891, Leuhmann s.n.; holo: G.
  Thallus thick, pale yellow to dull yellow-brown, somewhat granular, minutely cracked and areolate, smooth. Soredia and isidia absent. Apothecia conspicuous, verruciform, scattered, immersed or flattened-hemispherical with constricted bases, concolorous with the thallus, 0.5–1.5 mm diam., the centre sometimes depressed. Ostioles black, conspicuous, becoming pseudolecanorine, 1 per verruca, 0.2–0.5 mm diam. Ascospores 8 per ascus, irregularly biseriate, ellipsoidal, smooth, colourless or sometimes pale bluish grey or brown, 60–75 × 30–37 µm. CHEMISTRY: Thallus K–, KC+ yellow-orange, C+ orange, Pd–; containing arthothelin (major) and 4,5-dichloronorlichexanthone (minor).
  A rare, saxicolous species in coastal areas of S.A., N.S.W. and Vic.; also in New Zealand, Peru and South Africa.  
  Archer (2004b)  

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

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