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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 ballingalliae (Elix & J.Johnst.) Elix
  Mycotaxon 87: 398 (2003)
Paraparmelia ballingallii Elix & J.Johnst., Mycotaxon 32: 400 (1988).

T: south of homestead, Highlands Station, S of Emmet, W of Blackall, Qld, 26 Sept. 1986, M.E.Ballingall 2282A; holo: CANB.
  Thallus foliose, tightly adnate, to 5 cm wide. Lobes barely imbricate, contiguous or subascending at margins, sublinear to irregular, irregularly branched, 1–3 mm wide; apices subrotund. Upper surface pale grey, darkening to grey-black, flat, becoming dull, emaculate, developing transverse cracks, becoming rugose and occasionally areolate, lacking soredia and isidia; lobe apices shiny, black-margined. Lower surface smooth, shiny, pale tan, dark brown at lobe apices; rhizines moderately dense, simple, tufted or not, slender, c. 0.2–0.3 mm long, concolorous. Apothecia sessile to subpedicellate, to 3 mm wide; disc concave becoming flattened or convex, becoming stellate-cracked, dark brown; thalline exciple thin, involute becoming incised, smooth. Ascospores 6–7 × 3.5–4 µm. Pycnidia not seen. CHEMISTRY: cortex K+ yellow; medulla K-, C-, KC-, P-; containing atranorin, lobaric acid, scabrosin 4,4'-diacetate, scabrosin 4-acetate 4'-butyrate, scabrosin 4,4'-dibutyrate and scabrosin 4-acetate 4'-hexanoate.
  A rare endemic species known only from the type locality in southern Qld.  
  Elix (1994n)  

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

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