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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 Taylor subsp. scabrida
  Phytologist 1: 1095 (1844); Usnea barbata var. scabrida (Taylor) Müll.Arg., Rev. Mycol. 1: 165 (1879). T: Swan River, W.A., 1843, J.Drummond s.n.; lecto: BM, fide G.N.Stevens, Lichenologist 24: 233 (1992); syn: “interior”, N.S.W., A.Cunningham; not located. *****Usnea consimilis Stirt., Scott. Naturalist (Perth) 6: 295 (1881). T: Australia, 1870, M.L.Anderson s.n.; lecto: BM, fide R.W.Rogers, Austrobaileya 1: 508 (1982); isolecto: GLAM.  
  Thallus tufted, to 2 cm long; fibrils very dense, usually short (c.0.5 mm long), very few c.2 mm long. Medulla narrow, dense; axis 1/3–3/5 width of branch. Apothecia usually to 10 mm diam.; fibrils dense on margin, often in several rows, some forked; lower surface with dense short fibrils. CHEMISTRY: Cortex containing usnic acid. Medulla K–; containing scabrosins.
  Endemic to south-western W.A., S.A., N.S.W. and Vic.  
  Stevens (2004)  

Checklist Index
Introduction | A–D | E–O | P–R | S–Z | Oceanic Islands | References

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