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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 imitatricoides (Elix) O.Blanco, A.Crespo, Elix, D.Hawksw. & Lumbsch
  Taxon 53: 968 (2004); Neofuscelia imitatricoides Elix, Mycotaxon 47: 110 (1993). T: Morton National Park, north-east of Nerriga, N.S.W., 30 Mar. 1977, J.A.Elix 3062; holo: CANB; iso: MEL.  
  Thallus foliose, moderately adnate, to 3–4 cm wide. Lobes not imbricate, flat or slightly convex at apices, becoming more strongly convex towards thallus centre, sublinear-elongate, 0.6–1 (–1.2) mm wide; laciniae developing at periphery and within thallus, subfruticose to fruticose, terete to subterete, mostly unattached to substratum, linear-elongate, dichotomously branched, 0.1–0.4 mm wide. Upper surface dark brown to black-brown, paler at thallus periphery, dull, becoming markedly rugose, cracked and areolate towards thallus centre, lacking isidia; lobe apices smooth, slightly shiny. Lower surface shiny, jet black; rhizines sparse, simple or occasionally tufted, slender, short, to 0.3 mm long, black. Apothecia common, shortly pedicellate, 1–3 mm wide; disc concave, becoming ±flat or undulate, black-brown; thalline exciple thin, entire. Ascospores 7–9 × 3.5–5.5 µm. Pycnidia common. Conidia bifusiform, 5–7 × 1 µm. CHEMISTRY: cortex K-, HNO3+ dark blue-green; medulla K-, C-, KC+ rose-red, P-, UV+ strong blue-white; containing alectoronic acid (major), a-collatolic acid (major), 4-O-methylphysodic acid (major) and physodic acid (minor).
  A rare endemic species known only from the type locality. Grows on rock.  
  Elix (1994m)  

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

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