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 | ||
| Pyrenula laureriformis Aptroot | ||
in A.Aptroot, P.Diederich, E.Sérusiaux & H.J.M.Sipman, Biblioth. Lichenol. 64: 159 (1997) T: Tgubi logging site, Gogol Valley, c. 30 km W of Madang, Madang Prov., Papua New Guinea, 13 Aug. 1992, A.Aptroot 32990; holo: B; iso: ABL. |
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Thallus yellowish to olive-green, lacking pseudocyphellae, corticate. Ascomata mostly in groups of 2–6, with fused ostioles, flask-shaped, erumpent from the substratum, sometimes partly covered by the thallus, c. 0.4–0.6 mm diam. Ascomatal wall lacking crystals, to 200 μm thick; ostiole lateral, pale. Hamathecium not inspersed with oil droplets, IKI–. Ascospores massed in the ascomatal cavity, 8 per ascus, irregularly biseriate, 3-septate, ellipsoidal, with rounded ends, brown, 12–15 × 4.5–6.5 μm; lumina angular, separated by (1–) 3 additional eusepta; terminal lumina separated from the exospore by an endospore layer. CHEMISTRY: No substances detected. |
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| Known only from the type collection from Papua New Guinea and a single Qld specimen. | ||
| Aptroot (2009c) | ||
| Checklist Index |
| Introduction | A–D | E–O | P–R | S–Z | Oceanic Islands | References |
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