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 | ||
Pannaria tavaresii P.M.Jørg. | ||
Opera Bot. 45: 68 (1978) T: Loveland Heights, Larimer County, Colorado, USA, 1953, E.Dahl; holo: O; iso: COLO. |
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Thallus ±foliose, rosette-forming, 1–4 cm wide, closely attached. Lobes 1–3 mm wide, adjacent to imbricate, cuneate to flabellate; apices ±thickened, entire to crenate, somewhat frosted. Upper surface matt, slightly scabrid-cobwebby in parts with simple, terete, digitiform isidia, dark slate blue. Lower surface pale, with frequent blue-black rhizohyphae. Cyanobiont Nostoc, in clusters. Apothecia common, 0.5–1 mm wide; disc flat to subconvex, yellow-brown to pale red-brown; thalline exciple persistent, crenulate, minutely isidiate. Ascospores 15–19 × 9–10 µm, often acuminate, to 25 µm long; exosporium rugulose. | ||
A rarely collected species in Australia, known only from a few localities in N.S.W. in lowland gullies on bark at the base of trees in wet sclerophyll forest. | ||
Jørgensen & Galloway (1992a) |
Checklist Index |
Introduction | A–D | E–O | P–R | S–Z | Oceanic Islands | References |
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