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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
Sticta hypopsiloides Nyl.
  Ann. Sci. Nat. Bot., sér. 4, 15: 42 (1861); Lobaria hypopsiloides (Nyl.) Trevis., Lichenotheca Veneta 75 (1869). T: New Caledonia, s. loc.,"ad cortices in montibus", E.Vieillard 1796; holo: ?PC n.v.  
  Thallus irregularly spreading, 4–10 (–15) cm wide, growing from a rooted basal holdfast and a short supporting stalk 5–10 mm tall. Lobes subdichotomously to irregularly branched, elongate-laciniate, rather narrow and delicate, 2–5 (–7) cm long, 1–5 (–8) mm wide, contiguous to ±imbricate centrally, with rounded sinuses, plane to ±canaliculate; margins entire, thickened below; apices distinct and ±divergent. Upper surface pale grey-green to pale olivaceous or suffused red-brown when dry, lettuce-green to olive-green when wet, irregularly wrinkled-ridged to punctate-impressed or ±faveolate in parts, matt or glossy; without isidia, maculae, phyllidia or soredia. Photobiont green. Lower surface whitish near apices to dark red-brown near stalk, wrinkled or ridged-striate, conspicuously costate centrally, glabrous at margins, thinly tomentose near central rib. Cyphellae scattered, pin-prick-like; margins swollen; pit membrane white. Apothecia occasional to rare, marginal and laminal, sessile, 0.5–1.5 mm diam.; disc yellow-orange to red-brown, waxy; exciple thin, entire, whitish. Ascospores ellipsoidal-fusiform, 1–3-septate, 28–30.5 (–33.5) × 8.5–11 µm, colourless.
  A rare epiphyte in montane rainforest in north-eastern Qld. Also occurs in Java, New Guinea and New Caledonia.  
  Galloway (2001b)  

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

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