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 | ||
| Dirinaria melanoclina (C.Knight) D.D.Awasthi | ||
Biblioth. Lichenol. 2: 77 (1975) Physcia melanoclina C.Knight, Trans. Linn. Soc. London, Bot. 2: 49 (1882). T: [near Sydney], N.S.W., 1880, C.Knight 13; lecto: WELT, fide D.D.Awasthi, loc. cit.; isolecto: H-NYL 31807, M n.v. |
||
| Thallus 2–5 cm wide, adnate, pinnately to subpinnately lobate. Lobes radiating, contiguous, longitudinally weakly plicate, plane to convex to weakly concave, 0.5–1.0 mm wide; apices rounded, discrete. Upper surface grey, greenish grey to yellow-grey or off-white, epruinose, sorediate; dactyls absent. Soralia laminal, capitate, 0.5–1.0 mm wide; soredia farinose. Medulla white. Lower surface brown-black. Apothecia rare, sessile to ±constricted at the base, 0.6–1.0 mm wide; disc red-brown to brown-black, purple-pruinose. Epihymenium dark brown, 10–15 μm thick. Hymenium colourless, 65–75 μm thick. Hypothecium dark brown-black, 140–160 μm thick. Ascospores 16–20 × 6–9 μm. Pycnidia not seen. CHEMISTRY: Cortex K+ yellow, C–, KC–, P+ yellow; medulla K–, C–, KC–, P–; containing atranorin (minor), chloroatranorin (minor), divaricatic acid (major), 3β-acetoxyhopane-1β,22-diol (minor),±unknown terpenes (minor). |
||
| Occurs on bark in coastal and hinterland forests in south-eastern Qld and eastern N.S.W. Also in South Africa. | ||
| Elix (2009l) | ||
| Checklist Index |
| Introduction | A–D | E–O | P–R | S–Z | Oceanic Islands | References |
This work is copyright. Apart from any use as permitted under the Copyright Act 1968, no part may be reproduced by any process without prior written permission from Australian Biological Resources Study. Requests and inquiries concerning reproduction and rights should be addressed in the first instance to Dr P. McCarthy. These pages may not be displayed on, or downloaded to, any other server without the express permission of ABRS.