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 pumila (Kurok. & Filson) Elix & J.Johnst. | ||
| in J.A.Elix, J.Johnston & P.M.Armstrong, Bull. Brit. Mus. (Nat. Hist.), Bot. 15: 311 (1986); Parmelia pumila Kurok. & Filson, Bull. Natl Sci. Mus., ser. B, 1: 42 (1975). T: Eyre Highway 40 km east of Kimba, S.A., 22 Oct. 1970, R.B.Filson 11740; holo: MEL. | ||
| Thallus foliose, adnate, to 3–10 cm wide. Lobes imbricate, ±concave, not ascending, irregular, irregularly branched, 0.7–1.5 mm wide; lobules subterete to terete, branched, ascending, 0.2–0.4 mm wide, often blackened at apices. Upper surface bright to pale yellow, often whitish yellow pruinose at lobe apices, dull, emaculate, ±rugulose, lacking soredia and isidia. Medulla white. Lower surface canaliculate or not, black, becoming brown to yellow near apices of marginal lobes; rhizines sparse to moderately dense, simple, slender, 0.2–0.4 mm long, black. Apothecia very rare, subpedicellate, to 2.5 mm wide; disc flat to slightly concave, dark brown; thalline exciple thick, prominent, crenulate, becoming incised. Ascospores 10–11 × 5 µm. Pycnidia common. Conidia bifusiform, 6–7 × 0.5 µm. CHEMISTRY: cortex K-, UV-; medulla K+ yellow then red, C-, KC-, P+ intense yellow; containing usnic acid, salazinic acid, consalazinic acid and ±norstictic acid (trace). | ||
| Uncommon, endemic, on soil in mallee scrub and arid shrubland in drier inland areas of W.A., S.A., N.S.W. and Vic. | ||
| Elix (1994z) | ||
| Checklist Index |
| Introduction | A–D | E–O | P–R | S–Z | Oceanic Islands | References |
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