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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
Cladonia rigida (Hook.f. & Taylor) Hampe var. rigida
  Linnaea 28: 216 (1856); Cenomyce rigida Hook.f. & Taylor, London J. Bot. 3: 652 (1844). T: Auckland Is., N.Z., J.D.Hooker 1575; lecto: BM; iso: FH, H-NYL 38432, fide D.J.Galloway, Fl. New Zealand Lichens 119 (1985). ****Cladonia squamosula Müll. Arg., Flora 66: 19 (1883). T: Toowoomba, Qld, 1882, Hartmann; holo: G; iso: MEL. ****Cladonia. subsquamosa var. pulverulenta Vain., Acta Soc. Fauna Fl. Fenn. 4: 449 (1887). T: Mt Wellington, Tas., 1802–1805, R.Brown, Iter Australiense 531; holo: BM. ****Cladonia. elegantula Müll. Arg., Flora 70: 56 (1887); C. squamosula f. elegantula (Müll. Arg.) Abbayes, Rev. Bryol. Lichénol. 34: 824 (1966). T: Illawarra, N.S.W., 1881, Kirton; lecto: G, fide H.des Abbayes, loc. cit.; isolecto: MEL, NSW.  
  Basal squamules persistent, 1–3 mm long, 0.5–1 mm diam., subpalmately lobed, with crenate to incised margins. Podetia growing from upper surface of basal squamules, 1–2.5 cm tall, 0.5–1.5 mm diam., simple or rarely branching, cylindrical or tapering towards apices, escyphiferous, ecorticate, squamulose, with tips of fertile podetia often open to interior; squamules c. 0.3 mm long near base of podetia, becoming smaller and isidioid, 0.1 mm long, near apices; sterile podetia acute. Apothecia terminal on podetia, clustered, 0.5–1.5 mm diam., brown to dark brown. CHEMISTRY: K+ yellow, KC-, P+ yellow. Thamnolic acid (major), sekikaic (minor) and hyperhomosekikaic (trace) acids, and with barbatic acid (major) in the apothecia.
  Occurs in all States and the A.C.T., and on Lord Howe Is.; also in N.Z. and Chile; grows on dead wood.  
  Archer (1992b)  

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

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