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 | ||
| Sarcographina cyclospora Müll.Arg. | ||
Flora 70: 425 (1887) Glyphis cyclospora (Müll.Arg.) Shirley, Proc. Roy. Soc. Queensland 6: 215 (1889); — Gymnographa cyclospora (Müll.Arg.) Staiger, Biblioth. Lichenol. 85: 268 (2002). T: Trinity Bay, [Cairns], Qld, W.A.Sayer s.n.; holo: G; iso: MEL 26180. |
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| Thallus pale fawn, thin, smooth, glossy; isidia and soredia absent. Ascomata immersed in stromata; stromata white, immersed, irregularly rounded, 2–5 mm wide; lirellae thin, black, open, in irregular stellate clusters, 0.05–0.10 mm wide. Disc black, faintly white-pruinose. Proper exciple non-carbonised, pale yellow-brown. Hymenium 80–100 µm thick, not inspersed. Ascospores uniseriate, narrowly ellipsoidal, initially pale brown and 2-locular, becoming dark brown and irregularly 2 × 2-locular, 10–13 × 6–8 µm, I–. CHEMISTRY: Psoromic acid (major), 2’-O-demethylpsoromic acid (trace), subpsoromic acid (trace). |
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| A very rare, corticolous species in north-eastern Qld; not collected since the late-nineteenth century. | ||
| Archer (2009a) | ||
| Checklist Index |
| Introduction | A–D | E–O | P–R | S–Z | Oceanic Islands | References |
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