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 | ||
| Relicinopsis stevensiae Elix & J.Johnst. | ||
| Mycotaxon 31: 504 (1988), as stevensii T: Broken River, north-west of Charters Towers, Qld, 1975, N.C.Stevens 3435 p.p.; holo: MEL. |
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| Thallus small-foliose, adnate to tightly adnate, to c. 1.5 cm wide. Lobes contiguous, ±imbricate, subirregular, dichotomously to subirregularly branched, 0.8–1 mm wide; eciliate. Upper surface convex, shiny, emaculate, continuous, lacking isidia. Lower surface pale tan; rhizines moderately dense, simple, concolorous. Apothecia common, to 1 mm wide; disc shallowly concave, dark brown. Ascospores 7–9 × 4–6 µm. Pycnidia uncommon. Conidia bacilliform, c. 5 × 1 µm. CHEMISTRY: cortex K-, UV-; medulla K-, C-, KC+ yellow, P-; containing usnic acid, barbatic acid (major), 4-O-demethylbarbatic acid (minor), obtusatic acid (trace), norobtusatic acid (trace), 3-a-hydroxybarbatic acid (trace) and atranorin (trace). | ||
| This rare species is known only from two collections (N.T. and Qld). Grows on bark. | ||
| Elix (1994w) | ||
| Checklist Index |
| Introduction | A–D | E–O | P–R | S–Z | Oceanic Islands | References |
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