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 | ||
Eschatogonia marivelensis (Vain.) Kalb | ||
Biblioth. Lichenol. 88: 310 (2004) Toninia marivelensis Vain., Ann. Acad. Sci. Fenn., ser. A, 15(6): 61 (1921). T: Mt Mariveles, Bataan, Luzon, Philippines, E.D.Merrill 6274; holo: TUR-V 20360. |
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Thallus 3–7 cm wide, with adnate squamules 0.5–1.0 mm wide, soon becoming lacinulate. Lacinules 0.05–0.10 mm wide, forming along the margin of the squamules, dense and imbricate, subascending. Prothallus sparse to moderate, white; hyphae loosely interwoven. Upper surface grey-green to pale olive, dull. Medulla white or off-white. Apothecia common, 0.5–1.2 mm wide, solitary or moderately confluent, ±becoming tuberculate; disc weakly convex and depressed in the centre, rarely becoming markedly convex with age, yellow-brown to reddish, epruinose; margin concolorous with or slightly darker than the disc, thin, becoming excluded with age. Hymenium 40–50 μm thick, colourless to pale yellow, intensely amyloid. Hypothecium pale yellow to pale red-brown, K–. Ascospores 0–3-septate, filiform, 30–40 × 1.7–2.2 μm. Pycnidia not seen in Australian specimens. CHEMISTRY: Cortex and medulla K–, C–, KC–, P–, UV–; containing ±bourgeanic acid |
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Occurs in northern N.T. and north-eastern Qld; rare on the bark of trees and on dead wood in coastal and hinterland rainforest. Also in East Asia. | ||
Elix (2009h) |
Checklist Index |
Introduction | A–D | E–O | P–R | S–Z | Oceanic Islands | References |
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