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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
Ramboldia brunneocarpa Kantvilas & Elix

Bryologist 97: 297 (1994)

T: Balts Spur, Tasman Penin., Tas., 43°05’S, 147°56’E, alt. 420 m, on canopy twigs of Nothofagus cunninghamii in rainforest, July 1983, G.Kantvilas 154/83; holo: HO.

  Thallus pale grey to greenish grey, thin and scurfy to rather thick, unevenly verruculose and deeply cracked, 0.5–2.0 cm wide, not delimited by a prothallus; isidia and soredia absent. Photobiont cells 6–14 µm wide. Apothecia round or irregularly rounded, when crowded sometimes ±angular and deformed by mutual pressure, 0.8–1.4 mm wide, sessile; disc pale orange-brown to deep reddish brown, rarely ±translucent pinkish brown, ±glossy, plane to unevenly undulate and dimpled, occasionally becoming markedly convex with age; margin thin, entire or flexuose, concolorous with the disc or a little paler, ±persistent, inconspicuous in older apothecia. Exciple colourless or very faintly orange-brown within, K+ yellow → red. Epihymenium 8–12 µm thick, pale orange-brown, K+ dingy grey-brown. Hymenium 36–50 µm thick, colourless, K–. Hypothecium colourless, 30–80 µm thick, K–; subhypothecium to 40 µm thick, colourless, K+ yellow → red. Paraphyses conglutinated, slender and regularly tapered, 1.5–2.0 µm thick; apices neither swollen nor pigmented. Asci 30–46 × 8–12 µm. Ascospores narrowly ellipsoidal to ±subfusiform, 9–16 × 2.5–4.0 µm; Pycnidia not seen.
CHEMISTRY: Thallus and subhypothecium K+ yellow → red, C–, P+ yellow; containing norstictic acid (major), connorstictic acid (minor or trace).
  Endemic and scattered in cool-temperate rainforest and sclerophyll forest of W.A., N.S.W., Vic. and Tas.; corticolous on the canopy twigs and small saplings of a broad range of hosts.  
  Elix (2009e)  

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