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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
Thysanothecium hookeri Mont. & Berk.
  Hooker's J. Bot. Kew Gard. Misc. 5: 257 (1846)
T: Swan R., W.A., J.Drummond 69; lecto: BM; isolecto: E, H-NYL 40230, PC, UPS, fide D.J.Galloway, Nova Hedwigia 28: 508 (1977)..
  Primary squamules convex, scattered, closely attached to substratum, yellow-green to yellow-­brown or red-brown or ±blackened, whitish below; cortex ±continuous. Upper surface below apothecia markedly ribbed-striate, yellow-green to olive; ridges glossy, cracked, without exposing corticate granules from medulla. Pseudopodetia 1.5–4 mm wide at base, expanding to 3–9 mm wide at apices, ±terete basally, flattening and flaring or pectinate towards apices, often lacerate, incised or fissured, 0.5–10 mm tall. Apothecia mainly terminal, solitary, rarely 2–6 per pseudopodetium, flaring, undulate and often deeply lacerate, spathulate or pectinate; disc sometimes faintly white-pruinose in part, dark red-brown or purplish brown. Ascospores ellipsoidal to subclavate, straight or curved, 7–9 × 2–3 µm. Pycnidia 1–2.5 mm tall. CHEMISTRY: usnic, barbatic, 4-0-demethylbarbatic (trace) acids.
  Occurs in W.A., N.S.W., A.C.T., Vic. and Tas.; also in N.Z. Found on soil, anthills, termite mounds and sometimes sandstone boulders.  
  Sammy (1992)  

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

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