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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 diversa (Stirt.) Zahlbr.
  Cat. Lich. Univ. 3: 379 (1925); Stictina diversa Stirt., Trans. & Proc. New Zealand Inst. 32: 75 (1900). T: Qld, F.M.Bailey; lecto: BM, fide R.W.Rogers, Austrobaileya 1: 508 ('1982') [1983]. ***** Sticta quercizans var. microphylla Kremp., Verh. K.K. Zool.-Bot. Ges. Wien 30: 335 (1880); Stictina quercizans var. microphylla (Kremp.) Müll.Arg., Flora 70: 116 (1887); Stictina weigelii var. microphylla (Kremp.) Stizenb., Flora 81: 133 (1895); Sticta weigelii var. microphylla (Kremp.) Zahlbr., Cat. Lich. Univ. 3: 406 (1925). T: Rockhampton, Qld, A.Thozet; lecto: MEL, fide D.J.Galloway, Tropical Bryol. 15: 131 (1998).  
  Thallus rosette-forming to irregularly spreading, closely attached centrally, 3–5 (–10) cm wide. Lobes 1–4 cm long, 5–10 (–20) mm wide with rounded apices, ±discrete at margins, closely contiguous to complex-imbricate centrally; margins very irregular, occasionally entire, ±ragged, incised, thickened below, sparsely to densely isidiate. Upper surface grey-blue, olivaceous greyish to dingy brown when dry, dark slaty blue-black to olivaceous brown suffused red-brown at apices when wet, shallowly undulate to ±punctate-impressed to subfaveolate, fragile and rather papery to leathery, without maculae or soredia. Isidia minute, clustered, granular-coralloid, delicately styliform or becoming squamiform, marginal, often spreading to upper surface at apices. Phyllidia minute, squamiform 0.1–0.8 mm diam., developing from laminal isidia, best seen towards lobe margins and apices. Photobiont Nostoc. Medulla white, K+ yellow-orange. Lower surface pale tan to whitish, glabrous, wrinkled-uneven at margins, red-brown to blackened, thickly tomentose centrally often with anchoring tufts of rhizines. Cyphellae common, round to irregular, 0.2–3 mm diam., sunk in tomentum, deeply urceolate; margins narrow, raised, concolorous with lower surface; pit membrane white, granular-scabrid. Apothecia not seen.
  Endemic to eastern Qld and N.S.W., in humid, shaded habitats in lowland to montane rainforest on tree trunks, fallen branches, roots, boulders, mossy rocks in streams, and shaded rock faces, in tree crowns and on stems of vines and palms at altitudes of 130–1080 m.  
  Galloway (2001b)  

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

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