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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
Parmotrema ochrocrinitum Elix & J.Johnst.
  Mycotaxon 31: 498 (1988)
T: Cape Conran, 18 km east of Marlo, East Gippsland, Vic., 21 Nov. 1978, J.A.Elix 5293; holo: CANB.
  Thallus adnate, coriaceous, to 5–6 cm wide. Lobes imbricate, subirregular, 2–8 mm wide; margins crenate or irregularly incised; cilia simple or branched, 0.5–3 mm long. Upper surface pale grey to grey-green, flat, emaculate, smooth or becoming rugose; cortex fragile; isidia laminal and marginal, short-cylindrical, becoming coralloid, granular or occasionally dissolving into soredia, apices often ciliate. Medulla white in upper part, but yellow-orange towards lower cortex. Lower surface black, with a brown, erhizinate marginal zone; rhizines dense, simple, slender, to 1 mm long. Apothecia and pycnidia not seen. CHEMISTRY: cortex K+ yellow; upper medulla K+ yellow, C-, P+ orange, UV-; lower medulla K+ violet; containing atranorin, chloroatranorin, stictic acid (major), constictic acid (minor), euplectin (minor, in pigmented medulla), cryptostictic acid (trace), norstictic acid (trace), ±menegazziaic acid (trace) and ±connorstictic acid (trace).
  A scattered endemic species in eastern Australia (Qld, Vic. and Tas.). Grows on bark and rock.  
  Elix (1994t)  

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

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