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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
Xanthoparmelia schistacea (Kurok. & Filson) Elix
  Mycotaxon 87: 401 (2003)
Parmelia schistacea Kurok. & Filson, Bull. Natl Sci. Mus., ser. B, 1: 44 (1975); Pseudoparmelia schistacea (Kurok. & Filson) Hale, Smithsonian Contr. Bot. 31: 46 (1976); Paraparmelia schistacea (Kurok. & Filson) Elix & J.Johnst. in J.A.Elix, J.Johnston & D.Verdon, Mycotaxon 27: 281 (1986). T: north of Kingoonya–Tarcoola road, west of Kingoonya, S.A., 26 Oct. 1970, R.B.Filson 11921; holo: MEL.
  Thallus small-foliose to subcrustose, tightly adnate, to 4 cm wide. Lobes scarcely imbricate, radiating at apices, sublinear-elongate, irregularly branched, 0.3–1 mm wide. Upper surface grey to pale yellowish grey, convex, dull to slightly shiny, emaculate, smooth, cracked on older parts, moderately pustulate-isidiate; isidia inflated; isidia apices epicorticate, bursting open, appearing pustulate, but not readily forming soredia. Lower surface pale tan to brown, darker towards lobe apices; rhizines sparse, simple, tufted or not, thick, to 0.2 mm long, concolorous. Apothecia and pycnidia not seen. CHEMISTRY: cortex K+ yellow; medulla K-, C-, KC-, P-; containing atranorin, usnic acid, protoconstipatic acid (major) and constipatic acid (major).
  This rare endemic species is currently known only from the type locality in far western S.A.  
  Elix (1994n)  

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

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