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 | ||
| Phyllopsora albicans Müll.Arg. | ||
Bull. Soc. Roy. Bot. 32: 132 (1893) T: Terraba [Turrialba], Cartago, Costa Rica, A.Tonduz s.n.; holo: G; iso: US [as Pittier & Durand s.n.,Pl. Costaric. Exs. 5474]. |
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| Thallus squamulose, effuse. Prothallus usually well developed, red-brown. Squamules
0.3–1.0 mm wide, ascending, elongate, often imbricate, incised to deeply divided, plane to weakly convex; upper side pale green to mid-green, glabrous, epruinose; margin concolorous with the upper side, sometimes finely pubescent; isidia absent. Lacinules common, growing from the lobe tips. Upper cortex of type 1, 25–60 µm thick. Apothecia rare, to 1.5 mm wide, rounded, solitary to slightly conglomerate, weakly to moderately convex, reddish brown, with an indistinct darker margin. Proper exciple reddish brown throughout. Hymenium pale brown. Hypothecium pale brown to brown. Ascospores simple, narrowly ellipsoidal to fusiform or bacilliform, 8.0–12.5 × 2.5–3.5 μm. Pycnidia not seen. CHEMISTRY: Cortex K–, P–; medulla K–, P+ orange; containing argopsin (major), ±pannarin (major), ±norargopsin (minor). |
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| Common in north-eastern Qld, on bark in lowland and montane rainforest at altitudes of 100–950 m; also in Central America, East Africa, the Mascarene Islands, the Philippines and Taiwan. | ||
| Elix (2009h) | ||
| Checklist Index |
| Introduction | A–D | E–O | P–R | S–Z | Oceanic Islands | References |
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