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 | ||
Pertusaria xanthodactylina A.W.Archer & Elix | ||
in A.W.Archer, Biblioth. Lichenol. 69: 165 (1997) T: Cooktown road, 3 km NW of Mt Malloy, Qld, 16°40’S, 145°19’E, 3 July 1984, J.A.Elix 17184; holo: CANB. |
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Thallus dull to bright yellow, areolate and cracked, smooth. Soredia absent. Isidia simple, scattered, 0.2–0.4 mm tall, 0.05–0.10 mm wide. Apothecia rare, verruciform, scattered, rarely confluent, concolorous with the thallus, slightly flattened-hemispherical, becoming constricted at the base, 0.5–1.0 mm diam. Ostioles inconspicuous, pale to dark yellowish brown, 1 per verruca. Ascospores 8 per ascus, irregularly uniseriate, ellipsoidal, rarely subfusiform, smooth, 50–75 (–90) × 25–37 µm. CHEMISTRY: Thallus K–, KC+ orange, C+ orange, Pd– or Pd+ weak yellow; containing thiophaninic acid (major), stictic acid (major), constictic acid (minor), 2-chloro-6-O-methyl-norlichexanthone (trace) and ±lichexanthone (minor to trace). | ||
A locally common, endemic, saxicolous species in north-eastern Qld. | ||
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Archer (2004b) |
Checklist Index |
Introduction | A–D | E–O | P–R | S–Z | Oceanic Islands | References |
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