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 yowaensis Elix & J.Johnst. | ||
| Mycotaxon 29: 369 (1987). T: Yowah Opal Field, near Cunnamulla, Qld, 2 Sept. 1984, M.E.Ballingall 1668B; holo: CANB. | ||
| Thallus foliose, adnate to tightly adnate, to 3–5 cm wide. Lobes imbricate, flat, subirregular, irregularly branched, 1.5–3 (–4) mm wide; apices ±round. Upper surface yellow-green, dull, with distinct effigurate maculae, lacking soredia and isidia; older lobes becoming markedly rugulose and rugose; lobe apices often black-margined. Medulla white. Lower surface jet black; rhizines sparse to moderately dense, simple, robust, black. Apothecia not seen. Pycnidia rare. Conidia bifusiform, 5–6 × 0.5 µm. CHEMISTRY: cortex K-, UV-; medulla K+ pale yellow then brown, C-, P+ orange-red; containing usnic acid, fumarprotocetraric acid (major), succinprotocetraric acid, protocetraric acid (trace) and ±lobaric acid. | ||
| Rare, endemic, on rock in arid inland Australia (W.A., Qld and N.S.W.). | ||
| Elix (1994z) | ||
| Checklist Index |
| Introduction | A–D | E–O | P–R | S–Z | Oceanic Islands | References |
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