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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
Collema implicatum Nyl.
  Acta Soc. Sci. Fenn. 7: 428 (1863)
T: near Villeta, Bogota, Colombia, Lindig 749; lecto: H-NYL 264, fide G.Degelius, Symb. Bot. Upsal. 20(2): 167 (1974).
  Thallus to 6 cm wide, foliose, rounded to extended, adnate, marginal lobes ascending, broadly lobate, densely to sparsely pustulate and ridged especially older parts, matt, sometimes glossy at marginal lobes, without isidia, dark to light olive-green, almost black when dry. Lobes few, rounded, imbricate; margins entire. Apothecia to 1.5 mm wide, laminal, dense, especially on ridges and centre of thallus, sessile, with constricted base; disc flat to strongly convex, epruinose, matt or glossy, red to dark red-brown; thalline exciple thick to thin, smooth, persistent, often rolled under when strongly convex. Asci 43–65 × 13–20 µm. Ascospores 40–60 × 3–8 µm, usually 6-celled; septa sometimes indistinct. Pycnidia often numerous, to 200 µm wide. Conidia 4–5 × 1.5 µm, straight, slightly swollen towards ends.
  Occurs in W.A., S.A., Qld, N.S.W., A.C.T., Vic. and Tas. Widely distributed in the Southern Hemisphere, in tropical and temperate habitats. Grows on bark.  
  Filson (1992d)  

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

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