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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 subcaperatum (Kremp.) Hale
  Phytologia 28: 339 (1974)
Parmelia subcaperata Kremp., Vidensk. Meddel. Dansk Naturhist. Foren. Kjøbenhavn 25: 10 (1874); Rimeliella subcaperata (Kremp.) Kurok., Ann. Tsukuba Bot. Gard. 10: 7 (1991); Canomaculina subcaperata (Kremp.) Elix, Mycotaxon 65: 477 (1997). T: Lagoa Santa, Serra da Piedade, Brazil, Warming 297; holo: M.
  Thallus loosely adnate, coriaceous, to 15–20 cm wide. Lobes rotund, 5–15 mm wide; margins broadly crenate; cilia abundant, 1.5–2.5 mm long. Upper surface grey, flat, shiny, strongly effigurate white-maculate, lacking soredia and isidia. Lower surface brown, often blackish at centre, mostly with short rhizines over whole surface, sometimes papillate adjacent to lobe margins; short rhizines dense, simple, to 0.3 mm long; long rhizines over 1 mm long. Apothecia common, pedicellate, 10–20 mm wide; disc perforate, brown to dark brown; thalline exciple rugose, strongly white-maculate. Ascospores 13–16 × 6–7 µm. Pycnidia common. Conidia filiform, 10–14 × 1 µm. CHEMISTRY: cortex K+ yellow; medulla K+ yellow then dark red, C-, P+ orange-red; containing atranorin, chloroatranorin, salazinic acid and consalazinic acid.
  A scattered species growing on bark of trees in drier areas of eastern and southern Australia (W.A., S.A., Qld, N.S.W. and Vic.); also known from eastern Africa and South America.  
  Elix (1994y)  

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

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