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 | ||
Tephromela connivens (Müll.Arg.) Kalb | ||
Biblioth. Lichenol. 95: 314 (2007) Lecanora connivens Müll.Arg., Nuovo Giorn. Bot. Ital. 23: 389 (1891). T: locality unknown, Qld, F.M.Bailey 435;holo: G. |
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Thallus crustose, continuous, grey-brown to olive-brown, to 2 cm wide, 0.5–1.0 mm thick, bullate or papillate, lacking isidia and soredia. Prothallus not apparent. Apothecia common, scattered to crowded, sessile, ±constricted at the base, 0.8–2.8 mm wide; disc plane, becoming ±undulate, round, glossy black, epruinose; thalline exciple prominent, very thick, crenulate to denticulate, rarely smooth; proper exciple colourless, 110–150 µm thick. Epihymenium dark violet-brown. Hymenium violet to violet-brown, 50–60 µm thick. Hypothecium brown to yellow-brown, 100–150 µm thick Ascospores simple, ellipsoidal, thick-walled, 13–15 × 6–8 µm. Pycnidia not seen. CHEMISTRY: Cortex K+ yellow, C–, KC–, P– or P+ pale yellow; medulla K–, C–, KC–, P–, UV+ blue-white; containing atranorin (minor), pannaric acid 6-methyl ester (major), pannaric acid (minor), fumarprotocetraric acid (trace). |
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This very rare, endemic, corticolous species is known only from the type specimen which was collected at an unknown locality in eastern Qld. | ||
Elix (2009j) |
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Introduction | A–D | E–O | P–R | S–Z | Oceanic Islands | References |
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