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 | ||
| Hemithecium contortum (Müll.Arg.) A.W.Archer | ||
Telopea 11: 75 (2005) Graphina contorta Müll.Arg., Rev. Mycol. 9: 81 (1887). T: Nouméa, Grande Terre, New Caledonia, 1886, T.Savès 11; holo: G. Graphina incerta Redinger, Ark. Bot. 26A(1): 59 (1933); — Hemithecium incertum (Redinger) A.W.Archer, Telopea 11: 75 (2005), as incerta. T: Colonia Risso, Paraguay, 28 Oct. 1883, G.O.A.Malme 3644; lecto: S, fide A.W.Archer, Mycotaxon 80: 372 (2001). |
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| Thallus off-white, thin, smooth to tuberculate, dull. Ascomata inconspicuous, immersed, numerous, scattered, visible as thin black lines on the thallus surface, straight, curved or sinuous, rarely branched, 0.8–3.0 mm long, 0.10–0.35 mm wide; thalline margin indistinct. Proper exciple inconspicuous, pale yellowish brown, darker towards the apex. Hymenium (100–) 125–150 µm thick, I–. Ascospores 1 per ascus, muriform, 12–16 × 2–4-locular, (55–) 80–100 × 16–28 µm, I+ blue-violet. CHEMISTRY: No lichen compounds detected. |
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| An uncommon, corticolous species in eastern Qld; also in Paraguay, New Caledonia and New Zealand. | ||
| Archer (2009a) | ||
| Checklist Index |
| Introduction | A–D | E–O | P–R | S–Z | Oceanic Islands | References |
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