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 | ||
| Cryptothecia scripta G.Thor | ||
Symb. Bot. Upsal. 32(1): 285 (1997) T: c. 2.5 km N of the Landing Quarantine Stn, 7.5 km E of Darwin, N.T., 12°29’S, 130°54’E, corticolous in mangrove forest, 6 Dec. 1985, G.Thor 5915; holo: CANB; iso: UPS n.v. |
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| Thallus to 4–7 cm wide, adnate, smooth, dull greenish grey to yellowish grey, with soft scattered paler sometimes slightly raised areas forming lines or branched patterns, to 0.3 mm thick; isidia absent; globose granules spread over the thallus, to 0.1 mm diam. Prothallus distinct, byssoid, of mainly radiating hyphae, whitish or with a brownish tinge. Photobiont cells solitary or a few cells aggregated, 8–17 × 5–12 μm. Medulla distinct, white. Ascigerous parts common, in slightly raised areas, white with darker dots indicating individual asci. Asci weakly aggregated, 1-spored, sometimes covered by blackish amorphous tissue enclosed by whitish hyphae. Ascospores ovoid, 54–73 × 19–27 μm. Pycnidia rare, solitary, immersed to slightly elevated. Conidia bacilliform, 5–7 × c. 1 μm. CHEMISTRY: Thallus K–, C+ red, KC+ red, P–, UV+ pale grey-white; pigmented areas K+ purple; containing gyrophoric acid (major), ovoic acid (major or minor), lecanoric acid (minor). |
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| Common on bark in monsoon vine forest in the N.T. and in montane rainforest in eastern Qld and north-eastern N.S.W. Also in Norfolk Island and Papua New Guinea. | ||
| Elix (2009c) | ||
| Checklist Index |
| Introduction | A–D | E–O | P–R | S–Z | Oceanic Islands | References |
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