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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
Herpothallon rubrocinctoides (G.Thor) Aptroot, Lücking & G.Thor

in A.Aptroot, G.Thor, R.Lücking, J.A.Elix & J.L.Chaves, Biblioth. Lichenol. 99: 50 (2008)

Cryptothecia rubrocinctoides G.Thor, Symb. Bot. Upsal. 32(1): 284 (1997).

T: Mt Lewis, 63 km NW of Cairns, c. 7 km W of Rumula and 500 m SE of the houses at the timber track, Qld, 16°36’S, 145°17’E, corticolous in montane rainforest, 22 Nov. 1985, G.Thor 5418; holo: CANB; iso: UPS n.v.

  Thallus loosely adnate, smooth, dull, greenish grey to greenish red or violet, without paler slightly raised areas, to 3–7 cm wide and 0.3 mm thick; globose granules absent. Hypothallus below the entire thallus, byssoid, whitish to brownish or red in part; hyphae 1–3 µm wide. Prothallus to 1 mm wide, byssoid, composed of interwoven and radiating hyphae, whitish in the inner part, red to violet in the outer part. Pseudoisidianumerous, cylindrical, simple or sparingly branched, concolorous with the thallus or with red pigments concentrated at the apices, 0.1–0.8 mm long, c. 0.1 mm wide. Photobiont cells solitary or a few cells aggregated, 8–22 × 7–18 μm. Medulla distinct, white. Asci and pycnidia not seen.
CHEMISTRY: Thallus K–, C+ red, KC+ red, P–, UV+ pale grey-white; pigmented areas K+ purple; containing gyrophoric acid (major or minor), ovoic acid (major or minor), lecanoric acid (minor), chiodectonic acid (minor or trace), O-methylvioxanthin (minor or trace).
  Occurs on bark in montane rainforest in north-eastern Qld; also in Malaysia.  
  Elix (2009c)  

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

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