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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
Parmotrema sulphuratum (Nees & Flot.) Hale
  Phytologia 28: 339 (1974);
Parmelia sulphurata Nees & Flot., Linnaea 9: 501 (1835). T: Cuba, 1856–1858, C.Wright 72; neo: UPS; isoneo: BM, n.v., fide M.E.Hale, Contr. U.S. Natl Herb. 36: 312 (1965). Parmelia brisbanensis Stirt., Trans. & Proc. Roy. Soc. Victoria 17: 69 (1881). T: Brisbane, Qld, F.M.Bailey 228: lecto: GLAM; isolecto: BRI, fide R.W.Rogers, Austrobaileya 1: 506 (1982).
  Thallus loosely adnate to adnate, membranaceous, to 6–10 cm wide. Lobes rounded, becoming irregularly branched, 5–10 mm wide; margins entire to dissected; cilia moderately dense, 0.5–1 mm long. Upper surface grey-green, emaculate, becoming irregularly cracked, exposing pigmented medulla, without soredia; isidia cylindrical, thin, branched, concolorous. Medulla intensely sulphur-yellow (K-) or orange (K+ purple, skyrin). Lower surface black, with a broad, brown or mottled, erhizinate marginal zone; rhizines scattered, sparse, simple. Apothecia not seen. Pycnidia rare. Conidia sublageniform, 5–6 × 1 µm. CHEMISTRY: cortex K+ yellow; medulla K- or K+ purple, C-, KC-, P-; containing atranorin, chloroatranorin, vulpinic acid and ±skyrin.
  This pantropical species is very rare in Australia (Qld), occurring on the bark of canopy branches of rainforest trees; also occurs in Africa, North, Central and South America, Indonesia (Sumatra) and Papua New Guinea.  
  Elix (1994t)  

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

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