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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
Relicina sublanea (Kurok.) Hale
  Phytologia 28: 485 (1974)
Parmelia sublanea Kurok. in M.E.Hale & S.Kurokawa, Contr. U.S. Natl Herb. 36: 146 (1964). T: Halmahera Island, [Moluccas], Indonesia, 12 Oct. 1951, P.Groenhardt 8409; holo: BO; iso: US.
  Thallus foliose, coriaceous, adnate, to 6–10 cm wide. Lobes contiguous centrally, separate at periphery, imbricate, sublinear-elongate, dichotomously to subdichotomously branched, 1–2 mm wide, lacking lobules; cilia sparse, strongly inflated to globose at base, paler and often developing agglutinated hyphae towards apices, black. Upper surface yellow-green, ±convex, dull, smooth, emaculate, without isidia. Lower surface pale tan; primary rhizines moderately dense, scattered; secondary rhizines developing from primary rhizines or lower surface, dense, richly branched or agglutinated, fine, pale tan. Apothecia common, to 5 mm wide; disc ±flat or shallowly concave, pale brown to cinnamon-brown; thalline exciple ecoronate, retrorsely rhizinate. Ascospores ellipsoidal, 7–9 × 4–5 µm. Pycnidia immersed, punctiform. Conidia weakly bifusiform, 6–8 × 1 µm. CHEMISTRY: cortex K-, UV-; medulla K- or K+ pale brown, C-, KC-, P+ orange-red; containing usnic acid and protocetraric acid.
  Uncommon in Australia; found on bark of mangroves in Qld. It is common in dipterocarp forests in the southern Philippines, West Malaysia, Indonesia and Papua New Guinea.  
  Elix (1994v)  

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

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