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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
Graphis crebra Vain.

Hedwigia 38: 256 (1899)

T: Gourbeyre, Guadeloupe, alt. 390 m, on Spondia,  P.Duss 541; holo: TUR-V 27617 n.v.

Graphis apertella A.W.Archer, Austral. Syst. Bot. 14: 258 (2001). T: 3 km S of Kingaroy, Qld, 29 Mar. 1979, H.Streimann 9367; holo: CANB.

[Graphis scripta var. pulverulenta auct. non (Pers.) Ach.: J.Müller, Bull. Herb. Boissier 1: 57 (1893)].

  Thallus off-white to pale greyish white, thin, slightly cracked to areolate, smooth, dull. Ascomata conspicuous, scattered or numerous, black, with a thin thalline margin, semi-immersed to sessile, straight, curved or sinuous, usually simple, rarely branched, 1–2 mm long, 0.25–0.35 mm wide; lips open. Proper exciple laterally carbonised, sometimes almost closed. Epihymenium pale grey, lightly pruinose. Hymenium 100–125 µm thick, inspersed. Ascospores 8 per ascus, irregularly biseriate, transversely (8–) 9–11-locular, (28–) 32–40 × 6–8 (–9) µm, I+ blue.
CHEMISTRY: Norstictic acid.
  Corticolous in eastern Qld; also in South America, the West Indies, South and East Asia, Vanuatu, Lord Howe Island, Norfolk Island and the Hawaiian Islands.  
  Archer (2009a)  

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

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