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 | ||
Hypotrachyna proserpinensis Elix | ||
Mycotaxon 47: 107 (1993). T: Clarke Range, south of Proserpine, Qld, 29 June 1986, J.A.Elix 20929 & H.Streimann; holo: CANB; iso: MEL. | ||
Thallus loosely adnate, to 5–9 cm wide. Lobes contiguous, sublinear, subdichotomously branched, 1–2 mm wide; margins entire; apices incised. Upper surface whitish grey, flat, shiny, continuous, emaculate, without soredia, pustules and isidia. Medulla white. Lower surface moderately to densely rhizinate; rhizines densely dichotomously branched. Apothecia common, subpedicellate, 2–4 mm wide; thalline exciple smooth to undulate. Ascospores 8–11 × 5–7 µm. Pycnidia scattered. Conidia 5–8 × 1 µm. CHEMISTRY: cortex K+ yellow, UV-; medulla K-, C+ pink, P-; containing atranorin, chloroatranorin, gyrophoric acid (major), 3-methoxy-2,4-di-O-methylgyrophoric acid (trace), 2,4-di-O-methylgyrophoric acid (trace), and unidentified compound (minor). | ||
A rare endemic species currently only known from the type collection. Grows on rock. | ||
Elix (1994h) |
Checklist Index |
Introduction | A–D | E–O | P–R | S–Z | Oceanic Islands | References |
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