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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 eldridgei (Elix) O.Blanco, A.Crespo, Elix, D.Hawksw. & Lumbsch
  Taxon 53: 967 (2004); Neofuscelia eldridgei Elix, Mycotaxon 71: 438 (1999). T: South Australia: 6 km E of Sedan, 34°34'S, 139°20'E, 80 m, on soil in mallee scrub, J. A. Elix 9302, 28 Oct. 1981; holo: CANB.  
  Thallus foliose, terricolous, moderately to loosely adnate, to 7 cm wide  Lobes imbricate, flat or slightly convex at the apices, becoming more strongly convex towards thallus centre, sublinear to subirregular, 1.0-3.0 mm wide, irregularly branched; laciniae developing at periphery, along the lobe margins or within thallus, terete to subterete, ±subfruticose, sublinear to linear-elongate, dichotomously to subdichotomously branched, 0.3-0.8(1.0) mm wide.  Upper surface dark brown to chocolate-brown, paler at the thallus periphery, dull to slightly shiny at the apices, smooth or becoming rugose, lacking soredia and isidia but initials of laciniae (tubercules) often appearing isidia-like.  Medulla white.  Lower surface pale brown to brown, dark brown at the apices, ±canaliculate, moderately rhizinate; rhizines dark brown to black, short, simple or occasionally tufted, slender, often projecting beyond margins.  Apothecia uncommon, short stipitate, 1-3 mm wide; disc concave, becoming ±flat or undulate, black-brown; thalline exciple thin, entire, rugose.  Ascospores 8-9 x 5-6 µm.  Pycnidia common.  Conidia bifusiform, 5-7 x 1 µm. CHEMISTRY: Cortex K-, HNO3+ dark blue-green, medulla K-, C-, P-, UV-; containing divaricatic acid (major), nordivaricatic acid (trace), stenosporic acid (minor/trace).
  This lichen occurs scattered on soil in arid and subarid areas of S.A. and Vic.  
  Elix (1999)  

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

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