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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
Pertusaria thiospoda C.Knight
  Trans. Linn. Soc. London, Bot. 2: 47 (1882)
T: [near Sydney], N.S.W., C.Knight 20; holo: WELT. *****Pertusaria leiotera Müll.Arg., Flora 67: 285 (1884). T: Rockhampton, Qld, Thozet s.n.; holo: BRI. *****Pertusaria minuta C.Knight, in J.Shirley, Proc. Roy. Soc. Queensland 6: 143 (1889). T: Qld, s. loc., F.M.Bailey s.n.; holo: WELT. *****Pertusaria schizostomella Müll.Arg., Bull. Herb. Boissier 3: 637 (1895). T: N.S.W., s. loc., 1887, C.Knight 31; holo: G.
  Thallus pale yellowish white to pale yellow, thin, slightly cracked, smooth and dull. Soredia and isidia absent. Apothecia inconspicuous, verruciform, scattered, sometimes confluent, flattened-hemispherical, not constricted at the base, 0.5–1.0 mm diam. Ostioles punctiform, black, sometimes surrounded by a pale yellow-brown translucent zone, plane or becoming concave, sometimes with a yellow-brown translucent zone only, 1 per verruca. Ascospores 2 per ascus, ellipsoidal, smooth, 80–110 (–120) × 30–40 µm. CHEMISTRY: Thallus K–, KC+ yellow orange, C+ orange, Pd–; containing thiophaninic acid (major), stictic acid (major), constictic acid (minor to trace) and 2-chloro-6-O-methylnor-lichexanthone (trace).
  A predominantly coastal, corticolous species in W.A., N.T., Qld, N.S.W., Vic. and Tas.; also in Lord Howe Is., Norfolk Is. and islands off the North Island of New Zealand.  
  Archer (2004b)  

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

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