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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
Lobaria rhaphispora (C.Knight) Zahlbr.
  Cat. Lich. Univ. 3: 319 (1925); Ricasolia rhaphispora C.Knight, in F.M.Bailey, Proc. Roy. Soc. Queensland 1: 151 (1884). T: Glasshouse Mountains, Qld, F.M.Bailey 25; holo: WELT; iso: G.  
  Thallus adnate, membranaceous, up to 10 cm wide. Lobes irregular, subirregularly branched, 3–5 mm wide; apices subrotund; margins sinuate, lacking phyllidia. Upper surface bright green when wet, pale grey to blue-grey or dull yellow when dry, ±glossy, smooth, lacking phyllidia, isidia and soredia. Photobiont green. Lower surface brown to dark brown, densely brown-tomentose but with a narrow glabrous marginal zone, densely rhizinate; rhizines simple or fasciculate, brown. Apothecia marginal, shortly pedicellate, 2–4 mm wide; disc concave at first, then plane, dark red to red-brown; thalline exciple rugulose; margin entire, flexuose. Ascospores acicular, 3–7-septate, 60–75 × 3–4 µm, colourless. Pycnidia immersed. Conidia bacilliform, 3–4 × 0.5–0.7 µm. CHEMISTRY: Cortex K–; medulla K–, C+ pink, KC+ deep pink, P–; containing gyrophoric acid (major) and lecanoric acid (trace).
  A rare endemic species in hinterland forests of southern Qld.  
  Elix (2001a)  

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

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