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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
Buellia reagenella Elix

Fl. Australia 57: 660 (2009)

Hafellia reagens Pusswald, in B.Marbach, Biblioth. Lichenol. 74: 281 (2000).

T: Lake Yealering, W.A., J.A.Elix 21700 & M.V.Sargent; holo: CANB.

  Thallus corticolous or lignicolous, 1.0–2.5 cm wide, thin, continuous, smooth to indistinctly areolate, yellow-white to pale yellow-grey or yellow-green, uneven or occasionally verrucose. Prothallus a black line surrounding the thallus, or not apparent. Apothecia common, 0.1–0.5 mm wide, sessile; disc black, epruinose, plane or slightly convex; margin black, thin, usually persistent, becoming excluded in convex apothecia. Proper exciple dark brown to brown-black. Epihymenium 15–20 μm thick, dark brown, K+ violet. Hymenium 80–130 μm thick, inspersed with oil droplets. Hypothecium 40–50 μm thick, brown. Asci 8-spored or with fewer ascospores. Ascospores 1-septate, 12–20 × 5–8 μm, with moderately strong subapical but narrow septal wall thickenings; outer wall smooth. Conidia bacilliform, c. 5 × 1 μm.
CHEMISTRY: Thallus K–, C–, KC–, P–; containing 4,5-dichlorolichexanthone (major), ±brialmontin 1 (minor), ±brialmontin 2 (minor).
  Occurs on bark and wood in hinterland forest and woodland in W.A., N.S.W., Vic. and Tas. Also in South America.  
  Elix (2009l)  

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

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