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 | ||
Usnea scabrida subsp. elegans (Stirt.) G.N.Stevens | ||
Lichenologist 24: 236 (1992); Usnea elegans Stirt., Trans. & Proc. Roy. Soc. Victoria 17: 68 (1881); U. dasypogoides var. elegans (Stirt.) Müll.Arg., Flora 66: 20 (1883). T: Gowrie Mtn, Darling Downs, Qld, F.M.Bailey 13; lecto: GLAM, fide R.W.Rogers, Austrobaileya 1: 508 (1982); isolecto: BM. | ||
Thallus erect, rigid, to 3 cm tall; branching from base sparse, subdichotomous, often to 2 cm long, without further branching; short fibrils dense, c. 1 mm; long fibrils very sparse, 2 (–3) mm; papillae absent or rare. Medulla lax; axis 1/3–1/2 width of branch. Apothecia usually less than 5 mm diam., rarely to 10 mm; fibrils dense on margin, usually in 1 row; lower surface fibrillate. CHEMISTRY: Cortex containing usnic acid. Medulla K+ yellow: containing norstictic acid, scabrosins, ±salazinic acid (trace), or norstictic acid only; or medulla K–: containing scabrosins only or no lichen substances detected. | ||
An endemic subspecies in open forest (usually on Acacia spp. and Callitris spp.) in central and south-eastern Qld, inland N.S.W. and A.C.T. | ||
Stevens (2004) |
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.