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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 rutilans (Stirt.) Zahlbr.
  Cat. Lich. Univ. 3: 398 (1925); Stictina rutilans Stirt., Trans. & Proc. Roy. Soc. Victoria 17: 68 (1881). T: Brisbane, Qld, F.M.Bailey; lecto: BM, fide R.W.Rogers, Austrobaileya 1: 508 ('1982') [1983].  
  Thallus irregular, loosely attached centrally or more generally over the lower surface by anchoring tufts of black felted rhizines, 5–10 (–15) cm wide. Lobes broadly rounded, 1–3 cm wide, usually imbricate-folded, ±contiguous, rarely discrete from apices to centre; margins entire, sinuous, noticeably thickened below, occasionally also with an inrolled rim in parts, often with projecting black tomentum and appearing furry, here and there phyllidiate and appearing pectinate in parts. Upper surface greyish glaucous to dark red-brown when dry, dark olivaceous blue-black suffused red-brown when wet, undulate, shallowly and irregularly wrinkled or pitted, matt or glossy, maculate, phyllidiate. Maculae minute, white. Phyllidia occasional at margins or regenerating from laminal tears and cracks, 1–2 mm tall and wide; margins hairy. Medulla white to yellowish, K+ yellow or orange. Photobiont Nostoc. Lower surface dark brown to black, thickly and uniformly tomentose. Cyphellae conspicuous, 0.1–2 (–3) mm diam., deeply sunk in tomentum; pit membrane white. Apothecia rare to occasional or absent, laminal near apices, sessile, 1–3 mm diam.; disc red-brown to dark brown; exciple pale buff, scabrid. Ascospores fusiform, 1–3-septate, (25–) 28–36 (–42) × 7–8.5 (–10) µm, colourless.
  A rare endemic in south-eastern Qld and north-eastern N.S.W.; grows on mossy rocks and tree trunks in humid shaded habitats in lowland to montane rainforest up to 1400 m.  
  Galloway (2001b)  

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

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