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 hypomelaenoides Elix & J.Johnst. | ||
| in J.A.Elix, J.Johnston & P.M.Armstrong, Bull. Brit. Mus. (Nat. Hist.), Bot. 15: 263 (1986). T: Copley–Balcanoona road, east of Copley, Flinders Ranges, S.A., 30 Oct. 1984, J.A.Elix 18004 & L.H.Elix; holo: CANB. | ||
| Thallus foliose, adnate to tightly adnate, to 7 cm wide. Lobes imbricate or not, flat, sublinear-elongate, irregularly branched, 1–3 mm wide; older lobes becoming rugulose, often becoming transversely or irregularly cracked, blackening; occasionally developing narrower (0.5–1 mm) laciniae; apices subrotund. Upper surface pale yellow-green, darkening with age, shiny, at least near apices, emaculate, lacking soredia and isidia; lobes often with black margins. Medulla white. Lower surface rugulose, shiny, black; rhizines sparse to moderately dense, simple, tufted or not, robust, short, black. Apothecia not seen. Pycnidia common. Conidia bifusiform, 4–5 × 0.5 µm. CHEMISTRY: cortex K-, UV-; medulla K+ yellow then brown, C-, KC-, P+ intense brick-red; containing usnic acid, fumarprotocetraric acid, succinprotocetraric acid and protocetraric acid (trace). | ||
| Very rare, endemic, on rock in subarid shrubland areas of inland S.A. and hinterland ranges of south-eastern Qld. | ||
| Elix (1994z) | ||
| Checklist Index |
| Introduction | A–D | E–O | P–R | S–Z | Oceanic Islands | References |
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