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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 subflaccidum Degel.
  Symb. Bot. Upsal. 20: 140 (1974)
T: Togue Pond Camps (near Mt Katahdin), Maine, U.S.A., 1 Nov. 1939, G.Degelius; holo: herb Degelius, n.v., fide G.Degelius, Symb. Bot. Upsal. 20(2): 140 (1974). *****Leptogium olivaceum var. granulatum F.Wilson, J. Linn. Soc., Bot. 28: 357 (1891). T: Warrnambool, Kew and Gippsland, (three locations on label of single type specimen). Vic.: F.R.M.Wilson 14; lecto: BM, fide G.Degelius, loc. cit.
  Thallus to 8 cm wide, foliose, membranous, loosely adnate. Lobes to 1.5 (–2) mm wide, irregularly folded, undulate, sometimes partly ascending, matt, dark olive-green to blackish green to dark brown; margins entire; isidia crowded, sometimes covering centre of thallus, to 0.3 mm tall, globose, sometimes becoming cylindrical. Apothecia scattered, to 2.5 mm wide, sessile, constricted at base; disc flat, becoming convex, smooth, matt, epruinose, pale to dark red; thalline exciple thin, entire, smooth or subrugulose. Asci 70–100 × 15–20 µm. Ascospores 42–65 × 4–6.5 µm, narrowly ellipsoidal to fusiform, usually straight with acute and sometimes extended ends, 4–5-celled, not constricted. Pycnidia common, to 200 µm wide, laminal; pycnidial gel pale yellow. Conidia 4–4.5 × 1–1.5 µm, straight, slightly swollen towards ends.
  Widely distributed in the Northern Hemisphere, occuring also in S.A., Qld, N.S.W., A.C.T., Vic., Tas. and New Zealand.  
  Filson (1992d)  

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

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