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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
Peltula zahlbruckneri (Hasse) Wetmore
  Ann. Missouri Bot. Gard. 57: 205 ('1970') [1971]; Heppia zahlbruckneri Hasse, Bryologist 14: 100 (1911). T: San Gabriel Gelage bei Pasadena, Rubio Canyon, California, U.S.A., 2500 ft, 1911, Kingman 1159; holo: W.  
  Thallus usually compound, occasionally a single squamule; squamules swollen, somewhat angular to lobate, convex, 0.5–3 mm wide, dull, tan to brownish olive, anchored by a short stalk and umbilicus. Upper cortex absent; epinecral layer yellowish. Photobiont layer 75–150 µm thick. Medulla composed of loosely interwoven hyphae with many cavities. Lower cortex paraplectenchymatous, 30–56 µm thick with 3–6 layers of globose cells. Apothecia immersed, 1–7 (or more) per squamule; disc initially punctiform, opening with age, reddish brown; epihymenium K–; hymenium wine-red in iodine. Asci clavate or obclavate. Ascospores more than 100 per ascus, subglobose to globose, 4.5–7.6 × 3–4.5 µm. Pycnidia immersed, globose, to 0.4 mm diam.; conidia fusiform, 3.5–4.5 × 1.5 µm.
  Occurs on acidic rocks, including granite, in deserts and other open arid habitats in W.A., N.T. and S.A. Also in southern North America, south-western Africa and India.  
  Büdel (2001)  

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

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