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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
Usnea subcapillaris (D.J.Galloway) F.J.Walker
  Bull. Brit. Mus. (Nat. Hist.), Bot. 13(1): 104 (1985); Neuropogon subcapillaris (D.J.Galloway) D.J.Galloway, New Zealand J. Bot. 21: 195 (1983); Usnea ciliata var. subcapillaris D.J.Galloway, New Zealand J. Bot. 6: 47 (1968); U. subcapillaris (D.J.Galloway) F.J.Walker, Bull. Brit. Mus. (Nat. Hist.), Bot. 13: 104 (1985). T: Remarkables, below L. Alta, Otago, New Zealand, 1968, D.J.Galloway s.n.; holo: CHR 343756.  
  Thallus subpendulous, to 8 cm long, yellow-green, purplish black towards apices, often with transverse black cracks and alternate black and yellow banding on branches; trunk pale; branches 0.5–1.0 mm wide, filiform, sparingly divided to richly branched; terminal branches hair-like and blackened or with black and yellow banding. Isidia, soredia, papillae and fibrils absent. Cortex waxy, smooth. Medulla compact; axis 1/3–3/5 width of branch. Apothecia not seen. CHEMISTRY: Cortex containing usnic acid. Medulla K+ yellow → red; containing norstictic and salazinic acids, ±protocetraric acid; or medulla K–; containing psoromic, conpsoromic and 2’-O-demethylpsoromic acids; or medulla K–; containing squamatic acid ±hypo-thamnolic acids.
  Rare on rock in alpine Tas.; also in New Zealand.  
  Stevens (2004)  

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

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