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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
Ocellularia profunda (Stirt.)Mangold, Elix & Lumbsch

Biblioth. Lichenol. 96: 204 (2007)

Ascidium profundum Stirt., Trans. & Proc. Roy. Soc. Victoria 17: 70 (1881); — Thelotrema profundum (Stirt.) Shirley, Proc. Roy. Soc. Queensland 6: 191 (1889).

T: Brisbane, Qld, F.M.Bailey 131; holo: GLAM; iso: BM.

Thelotrema megalosporum Müll.Arg., Nuovo Giorn. Bot. Ital. 23: 395 (1891). T: Brisbane, Qld, F.M.Bailey 511; holo: G.

Thelotrema endoxanthum Müll.Arg., Nuovo Giorn. Bot. Ital. 23: 396 (1891). T: Qld, locality unknown, F.M.Bailey 582; holo: G; iso: US.

  Thallus endophloeodal to epiphloeodal, to c. 500 µm thick, pale olive to pale greenish grey, ±glossy, smooth, continuous to verrucose or verruculose, occasionally the verrucae becoming distinctly raised, ±cylindrical to subglobose and partly pustulate, resembling isidia or granular soralia, richly rimose to areolate. True cortex continuous, to c. 30 µm thick, consisting of irregular to periclinal hyphae, rarely replaced by a continuous or patchy protocortex. Algal layer poorly to well developed, discontinuous; calcium oxalate crystals usually abundant, moderately large and clustered, rarely forming columns. Ascomata ±inconspicuous, to c. 0.8 mm diam., ±rounded to irregular, perithecioid, solitary or marginally fused, immersed to emergent, then verrucose-hemispherical to hemispherical. Disc not visible from above. Pores occasionally filled by the pruinose whitish free columella tip. Proper exciple not visible above; pore to c. 0.2 (–0.3) mm diam., ±rounded, entire to rarely slightly split, funnel-shaped and/or sometimes ±distinctly annulate, paler than the thallus to off-white; thalline rim incurved. Proper exciple fused, often becoming detached in hypophloeodal parts, moderately thin to thick, dark brown to carbonised with age, non-amyloid. Hymenium to c. 600 µm thick, not inspersed, strongly conglutinated; paraphyses thin, bent to slightly curly above, slightly interwoven, unbranched to sparingly branched towards margin and columella, with moderately thickened tips; columellar structures well developed, to c. 200 µm wide, entire, conical, with a distinctly tapered tip, carbonised, covered or not by greyish granules when exposed. Epihymenium hyaline, egranulose or with greyish granules and small crystals. Asci 1-spored; tholus initially thick, thin when mature. Ascospores muriform, oblong-fusiform, usually with narrowly rounded ends, hyaline, rarely yellowish or pale brownish when decaying, strongly amyloid, 200–420 (–450) × 20–45 (–50) µm, with numerous locules; locules ±rounded to ±angular, subglobose to irregular; ascospore wall thin, thinly halonate; endospore thin. Pycnidia immersed to moderately raised, with a dark pore area. Conidia oblong to bacilliform, to c. 4 × 1 µm.
CHEMISTRY: Thallus K+ yellowish, C–, P+ yellow; containing psoromic acid (major), 2’-O-demethylpsoromic acid (minor to trace), subpsoromic acid (trace).
  An endemic, corticolous species in lowland to montane forest in eastern Qld and N.S.W.  
  Mangold et al. (2009)  

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

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