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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
Pannoparmelia wilsonii (Räsänen) D.J.Galloway
  New Zealand J. Bot. 16: 267 (1978); Anzia wilsonii Räsänen, Ann. Bot. Soc. Zool.-Bot. Fenn. 'Vanamo' 20: 2 (1944). T: Eastern Creek, N.S.W., 1892, F.R.M.Wilson s.n.; holo: H; iso: BM, G. Parmelia angustata var. isidiella Stirt., Trans. & Proc. New Zealand Inst. 32: 81 (1900); Anzia angustata var. isidiella (Stirt.) Zahlbr., Cat. Lich. Univ. 6: 276 (1929); Pannoparmelia angustata var. isidiella (Stirt.) Zahlbr., Cat. Lich. Univ. 8: 569 (1932). T: Tilba Tilba, N.S.W., Mrs Reader s.n.; lecto: GLAM, fide R.W.Rogers, Austrobaileya 1: 506 (1982).  
  Thallus loosely adnate, forming rosettes, to 3–5 cm wide. Lobes conspicuously constricted at branch points, branching subdichotomous at thallus margins, ± imbricate centrally, 0.5–1 mm wide. Upper surface pale yellow to bright yellow-green, glossy at lobe apices, without soredia; isidia often densely crowded and papillate in centre, simple becoming branched, slightly expanded at apices. Lower surface yellow; hypothallus spongy, compact, dark brown to black, moniliform; rhizines common, simple or sparingly furcate, black. Apothecia rare, sessile, to 3 mm wide; disc red-brown; thalline exciple isidiate. Ascospores fabiform, 10–15 × 4–6 µm. Pycnidia scattered, laminal. CHEMISTRY: cortex K-; medulla K-, C-, KC-, P-; contains usnic and divaricatic acids.
  Occurs in W.A., S.A., Qld, N.S.W., Vic. and Tas.; also found in Sabah, East Malaysia and New Zealand. Grows on bark.  
  Galloway & Sammy (1994b)  

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

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