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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
Parmelia protosulcata Hale
  Mycotaxon 16: 162 (1982). T: Lago Fagnano, Tierra del Fuego, Argentina, 30 Mar. 1940, R.Santesson 7955; holo: S; iso: US.  
  Thallus loosely adnate to adnate, to 2–6 cm wide. Lobes pale greenish to brownish grey, contiguous, sublinear, short, 2–3 mm wide. Upper surface smooth to weakly foveolate, maculate, becoming white-pruinose at lobe apices, deeply reticulately fissured in older parts, without isidia; pseudocyphellae mostly on lobe apices and margins, effigurate, small and rather sparsely developed; soralia developing on lobe apices and margins, usually orbicular but fusing and becoming linear; soredia coarse. Lower surface moderately rhizinate; rhizines simple to sparsely furcate or squarrosely branched, 0.5–1 mm long. Apothecia rare, subpedicellate, 4–5 mm wide; disc concave; thalline exciple rugose, pseudocyphellate. Ascospores 11–13 × 7–9 µm. Pycnidia not seen. CHEMISTRY: cortex K+ yellow; medulla K+ pale yellow-brown, C-, P+ red-orange; containing atranorin, chloroatranorin, protocetraric acid (major), ±lobaric acid and, rarely, fumarprotocetraric acid.
  A rare species growing on bark in montane areas of south-eastern Australia (N.S.W., Vic. and Tas.); also occurs in New Zealand, southern South America and the Falkland Is.  
  Elix (1994o)  

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

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