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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 calida Elix & J.Johnst.
  Mycotaxon 29: 361 (1987). T: Andromache River, south-west of Proserpine, Qld, 2 July 1986, J.A.Elix 21180 & H.Streimann; holo: CANB.  
  Thallus small-foliose to subcrustose, very tightly adnate, to 2–4 cm wide. Lobes not imbricate, contiguous, flat, subirregular to linear-elongate, irregularly branched, 0.2–0.8 mm wide. Upper surface yellow-green, darkening to deep olive-brown or blackish in older lobes, dull, emaculate, without soredia; lobes becoming cracked and often forming areolae 0.2–0.5 mm wide in thallus centre; areolae appearing as fragmentary lobules in poorly developed specimens; isidia sparse, fragile, globose then cylindrical, simple or expanding laterally, becoming branched, coralloid, small (0.1–0.2 mm high); isidia apices syncorticate. Medulla white. Lower surface black; rhizines sparse, simple, robust, black. Apothecia and pycnidia not seen. CHEMISTRY: cortex K-, UV-; medulla K-, C-, KC+ rose, P-; containing usnic acid, norlobaridone (major), scabrosin 4-acetate 4'-butyrate, scabrosin 4-acetate 4'- hexanoate, scabrosin 4,4'-dibutyrate and unidentified scabrosin (trace).
  Rare, endemic, in hinterland ranges of north Qld. Grows on rock.  
  Elix (1994z)  

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

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