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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 langei Büdel & Elix
  Biblioth. Lichenol. 67: 4 (1997). T: Great Northern Hwy between Derby and Fitzroy Crossing, Erskine Ra., W.A., 18 May 1988, J.A.Elix 22316 & H. Streimann; holo: CANB.  
  Thallus crustose-squamulose, yellow-olive when wet, yellow-brown when dry; squamules to 3.8 mm wide and 3.5 mm thick, mushroom-shaped when seen from the side, anchored by an umbilicus; surface reticulate-canaliculate. Upper cortex absent; epinecral layer 9–12 µm thick, yellowish. Medulla composed of loosely to densely interwoven hyphae of elongated cells; photobiont layer 65–80 µm thick with globose hyphae. Lower cortex 29–37 µm thick, composed of globose hyphae. Apothecia immersed, 1 (–2) per squamule; disc punctiform, to 0.5 mm diam., reddish. Asci clavate to obclavate; ascus wall wine-red in iodine, blue after pretreatment with KOH, with a deeper staining of the apical dome in both cases. Ascospores more than 64 per ascus, globose to ellipsoidal, 5–6.5 × 2.8–5.2 µm. Pycnidia immersed, ±convoluted in section; conidia ellipsoidal, 2.5–3 × 0.8–1 µm. CHEMISTRY: Myeloconone D1 and D2.
  This endemic species is known only from the type locality in north-western W.A. where it grows on lateritic rocks in an arid habitat.  
  Büdel (2001)  

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

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