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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 barringtonensis Elix
  Mycotaxon 59: 129 (1998). T: New South Wales, Barrington Tops State Forest, Moppy Lookout, 40 km WNW of Gloucester, 31°53'S, 151°32'E, 1200 m, on canopy branch of Nothofagus, in Nothofagus dominated forest on gentle slope, J. A. Elix 24825, 26 April 1990; holo: CANB.  
  Thallus corticolous, foliose, adnate, irregularly spreading, to 3-5 cm wide.    Lobes contiguous centrally to separate at the periphery, not or sparingly imbricate, linear-elongate, dichotomously to subdichotomously branched, 0.5-2.0 mm wide, elobulate; bulbate cilia dense, conspicuous, strongly inflated, to 1 mm long.  Upper surface yellow-green, flat to weakly convex, smooth, emaculate, shiny at the apices, without isidia.  Medulla white.  Lower surface brown to dark brown; rhizines moderately dense, simple or occasionally dichotomously branched, coarse, brown to black. Apothecia common, adnate, 1-3 mm wide; disc more or less flat or shallowly concave, cinnamon-brown; thalline exciple markedly coronate to subcoronate, retrorsely rhizinate at base.  Ascospores  ellipsoidal, eight per ascus, 7-8 x 4-5 µm.  Pycnidia common, flat to slightly emergent, punctiform, to 0.1 mm wide.  Conidia bifusiform, 6-8 x 1 µm. CHEMISTRY: Cortex K-; medulla K+ yellow-red, C-, P+ orange; containing usnic acid (major), ±atranorin (trace), norstictic acid (major), connorstictic acid (trace), hyposalazinic acid (trace).
  Known only from several localities in Barrington Tops State Forest in N.S.W.  
  Elix (1998b)  

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

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