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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
Bulbothrix isidiza (Nyl.) Hale
  Phytologia 28: 480 (1974); Parmelia isidiza Nyl., Bol. Soc. Brot. 3: 130 (1884). T: Serra Chella, Angola, Newton; lecto: H-NYL, fide M.E.Hale, Smithsonian Contr. Bot. 32: 16 (1976).  
  Thallus adnate, to 5–10 cm wide. Lobes moderately imbricate, subirregular to sublinear, 2.5–5 mm wide; margins with moderately dense, distinctly inflated, bulbate cilia. Upper surface pale grey to grey-brown, flat, shiny, faintly to distinctly white-maculate, continuous; isidia dense, simple or branched. Medulla white. Lower surface pale brown to mid-brown; rhizines moderately dense, simple, pale to dark brown. Apothecia rare, sessile, 1–3 mm wide; thalline exciple ecoronate. Ascospores ellipsoidal, 7–14 × 5–8 µm. Pycnidia common. Conidia bacilliform to weakly bifusiform, 5–6 × 1 µm. CHEMISTRY: cortex K+ yellow; medulla K+ yellow then red, C-, P+ orange; containing atranorin, chloroatranorin and salazinic acid.
  Scattered on rock or on bark on mangroves and trees in coastal rainforests in northern N.S.W. and Qld; a pantropical species, particularly common in open secondary forests in Africa, Central and South America, Japan, Hawaii, India, West Malaysia, Indonesia and Papua New Guinea.  
  Elix (1994a)  

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

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