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 | ||
| Collema subconveniens Nyl. | ||
| Lich. Nov. Zel. 8 (1888) T: N.Z., C.Knight; lecto: BM, fide G.Degelius, Symb. Bot. Upsal. 20(2): 135 (1974). ****Leptogium olivaceum F.Wilson, J. Linn. Soc., Bot. 28: 356 (1891). T: Traawool and Beaconsfield, Vic., F.R.M.Wilson 13; lecto: BM, fide G.Degelius, loc. cit. |
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| Thallus to 8 cm wide, foliose, membranous, adnate or partly ascending, smooth or sparsely ridged; isidia rare, squamiform. Lobes to 8 mm wide, imbricate, often undulate, flat, matt or slightly glossy, light grey-green to light olive-green becoming brown when dry. Apothecia often dense, to 1.5 mm wide, laminal, sessile with constricted base; disc flat, becoming convex, matt, sometimes glossy, epruinose, pale red to dark red to brown; thalline exciple thin, entire, disappearing. Asci 52–110 × 15–24 µm. Ascospores 20–40 × 8–10.5 µm, fusiform to ellipsoidal, straight with acute ends, muriform, 3–5 transverse septa, 1–3 longitudinal septa, sometimes strongly constricted. Pycnidia dense, to 200 µm wide, laminal; pycnidial gel pale yellow. Conidia 4–5 × 1–1.5 µm, straight, slightly swollen towards ends. | ||
| Occurs on bark of trees and shrubs in W.A., N.S.W., Vic. and Tas.; also in Japan, South America, Australia, New Zealand and Subantarctic islands. | ||
| Filson (1992d) | ||
| Checklist Index |
| Introduction | A–D | E–O | P–R | S–Z | Oceanic Islands | References |
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