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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 cunninghamii Cromb.
  J. Linn. Soc., Bot. 15: 228 (1876). T: Island Harbour, Western Patagonia, 18 Apr. 1868, R.O.Cunningham s.n.; lecto: BM; isolecto: H, fide M.E.Hale, Smithsonian Contr. Bot. 66: 23 (1987). Parmelia brownii C.W.Dodge, Nova Hedwigia 19: 449 (1970). T: Camp Hill, Macquarie Island, 2 Nov. 1956, D.A.Brown 69; holo: FH-Dodge.  
  Thallus adnate, firm, to 8–15 cm wide. Lobes contiguous, subirregular, usually turning up at margins, apically subrotund, 3–7 mm wide. Upper surface pale greenish to brownish grey, shiny, becoming white-pruinose at lobe apices, smooth becoming rugose-foveolate, white maculate, reticulately fissured only in older parts, without isidia; pseudocyphellae mainly marginal, effigurate, few, small, punctiform; soralia linear along lobe margins, very rarely orbicular on lamina. Lower surface moderately to densely rhizinate; rhizines simple to squarrosely branched, 1–2 mm long. Apothecia rare, subpedicellate, 4–15 mm wide; disc concave; thalline exciple rugose, pseudocyphellate. Ascospores 11–15 × 6–9 µm. Pycnidia rare, marginal. Conidia bacilliform, 5.5–7 × 1 µm. CHEMISTRY: cortex K+ yellow; medulla K+ yellow then red, C-, P+ orange; containing atranorin, chloroatranorin, salazinic acid (major), consalazinic acid (minor) and ±lobaric acid.
  Scattered in cooler areas of southern Australia (W.A., S.A., N.S.W., Vic. and Tas.), as well as Macquarie Is.; also occurs in New Zealand, southern South America and the Falkland Is. Grows on bark, less commonly on rock.  
  Elix (1994o)  

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

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