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 mougeotina (Nyl.) D.J.Galloway | ||
| New Zealand J. Bot. 18: 538 (1981); Parmelia mougeotina Nyl., Lich. Nov. Zel. 27 (1888); Parmelia mougeotii f. mougeotina (Nyl.) Gyeln., Ann. Hist.-Nat. Mus. Natl Hung. 31: 32 (1938). T: New Zealand, C.Knight; holo: H-NYL 34661. *****Parmelia mougeotii var. obscurata Müll.Arg., Bull. Soc. Roy. Bot. Belgique 31: 30 (1892). T: Glen Martin, Saddle Hill near Dunedin, Otago, New Zealand, 6 Nov. 1861, W.L.Lindsay; holo: H; iso: BM. *****[Parmelia mougeotii auct. non Schaer. [= Xanthoparmelia mougeotii (Schaer.) Hale]: W.A.Weber & C.M.Wetmore, Beih. Nova Hedwigia 41: 73 (1972)]. | ||
| Thallus foliose to subcrustose, very tightly adnate, ±rosette forming, to 3–5 (–8) cm wide. Lobes not imbricate, widely separate or rarely contiguous, sublinear-elongate, dichotomously branched, 0.5–1 (–1.5) mm wide; apices markedly incised. Upper surface pale yellow-green, darkening to yellow-brown or black in thallus centre, flat to slightly concave, shiny at lobe apices, dull and irregularly cracked near thallus centre becoming crustose-areolate, lacking maculae and soredia; isidia at thallus centre and ±on marginal lobes, sparse, subglobose or ±distorted cylindrical, simple, fragile to robust, slender (0.04–0.08 mm wide), small (0.1–0.2 mm high); isidia apices ±inflated, syncorticate, brown. Medulla white. Lower surface flat, smooth, shiny, wholly black or partly black-brown; rhizines sparse, simple, black. Apothecia rare, sessile, to 1 mm wide; disc concave to flat, dark brown; thalline exciple prominent, entire, smooth, without isidia. Ascospores 7–9 × 5–6.5 µm. Pycnidia very rare. Conidia bifusiform, 7–9 × 1 µm. CHEMISTRY: cortex K-, UV-; medulla K+ yellow, C-, KC-, P+ orange; containing usnic acid, stictic acid, constictic acid, norstictic acid (minor), cryptostictic acid (trace), ±menegazziaic acid (trace), and with or without associated unidentified compound (trace). | ||
| Common and widespread, on rock in areas of moderate to higher rainfall throughout Australia (W.A., N.T., S.A., Qld, N.S.W., A.C.T., Vic. and Tas.); also on both islands of New Zealand. | ||
| Elix (1994z) | ||
| Checklist Index |
| Introduction | A–D | E–O | P–R | S–Z | Oceanic Islands | References |
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