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 | ||
| Relicina samoensis (Zahlbr.) Hale | ||
| Phytologia 28: 485 (1974) Parmelia samoensis Zahlbr. in K.Rechinger, Denkschr. Kaiserl. Akad. Wiss., Math.-Naturwiss. Kl. 81: 272 (1907). T: Malifa, Upolu, [Western Samoa] K.Rechinger 5005; lecto: W, fide M.E.Hale, Smithsonian Contr. Bot. 26: 28 (1975). |
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| Thallus foliose, tightly adnate, to 4–8 cm wide. Lobes separate, not imbricate, sublinear, dichotomously branched, with broad axils (more than 50°), rather short, 0.3–1 mm wide, elobulate; cilia conspicuous, strongly inflated to globose, to 1 mm long. Upper surface yellow-green, flat, shiny, smooth, emaculate, without isidia. Lower surface jet black; rhizines moderately dense, simple or sparingly branched, black. Apothecia common, 1–3 mm wide; disc ±flat, pale brown to brown; thalline exciple coronate, retrorsely rhizinate. Ascospores broadly ellipsoidal, 6–7 × 5–6 µm. Pycnidia not seen. CHEMISTRY: cortex K-, UV-; medulla K+ pale yellow or K-, C+ pale orange, P+ yellow-orange; containing usnic acid, echinocarpic acid (major), conechinocarpic acid (minor), gyrophoric acid (minor) and unidentified compounds (traces). | ||
| This species has a scattered distribution in central and north Qld where it is most common on mangroves, but also occurs on branches of trees in disturbed forests in coastal and hinterland areas. It is also known from the Philippines, West Malaysia, Indonesia (Java), Papua New Guinea, New Caledonia, Fiji, Western Samoa and the Society Is. | ||
| Elix (1994v) | ||
| Checklist Index |
| Introduction | A–D | E–O | P–R | S–Z | Oceanic Islands | References |
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