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 zonata Elix & J.Johnst. | ||
| Mycotaxon 29: 369 (1987). T: Yowah Opal Field, near Cunnamulla, Qld, 25 Sept. 1984, M.E.Ballingall 1746A; holo: CANB. | ||
| Thallus small-foliose to subcrustose, very tightly adnate, to 1–3 cm wide. Lobes barely imbricate or not, flat, irregular, irregularly branched, 0.5–1 mm wide. Upper surface yellow-green, darkening with age, shiny at least near apices, emaculate; older lobes becoming rugulose, becoming transversely or irregularly cracked and areolate; lobe margins smooth; isidia laminal, simple, globose, coarse, becoming shortly cylindrical, rarely branched; isidia apices epicorticate, rarely erumpent, commonly inflated. Medulla mostly white; lower medulla intermittently yellow-orange. Lower surface shiny, pale to light brown, apices darker; rhizines sparse to moderately dense, short, simple, concolorous. Apothecia and pycnidia not seen. Pycnidia common. Conidia bifusiform, 5–6 × 0.5 µm. CHEMISTRY: cortex K-, UV-; white medulla K-, C-, KC-, P-; pigmented medulla K+ violet, C-, P-; containing usnic acid, lobaric acid (major), constipatic acid (minor), protoconstipatic acid (minor), skyrin (in pigmented medulla), scabrosin 4-acetate 4'-butyrate, scabrosin 4-acetate 4'-hexanoate, scabrosin 4,4'-dibutyrate, colensoic acid (trace) and scabrosin 4,4'-diacetate (trace). | ||
| Very rare, endemic, known only from the type collection. Grows on rock. | ||
| Elix (1994z) | ||
| Checklist Index |
| Introduction | A–D | E–O | P–R | S–Z | Oceanic Islands | References |
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