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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 bullata (Kalb & Elix) Kalb, Lumbsch & Elix

in K.Kalb, B.Staiger, J.A.Elix, U.Lange & H.T.Lumbsch, Nova Hedwigia 86: 32 (2008)

Pyrrhospora bullata Kalb & Elix, in K.Kalb, Lich. Neotrop. 13: [571] (2001).

T: Yilliminning Rock, c. 12 km E of Narrogin, W.A., 32°50’S, 117°23’E, alt. 350 m, on bark of broad-leafed tree in the shade of large boulder, 16 Aug. 1994, K. & A.Kalb s.n.; holo: CANB; iso: Lichenes Neotropici No. 571.

  Thallus olive-brown, consisting of confluent or scattered areolae, not delimited by a prothallus; areolae glossy, bullate, 0.1–0.3 mm wide; isidia and soredia absent. Photobiont cells 9–14 µm wide. Apothecia sessile to subimmersed, round to subirregular, scattered or confluent, 0.5–1.0 mm wide; disc red-brown to dark brown, ±plane to strongly convex, epruinose; margin thin, usually paler than the disc, glossy, persistent or excluded with age in convex discs. Exciple 40–70 µm thick, inspersed with yellow-orange to orange pigment, K+ reddish purple. Epihymenium c. 10 µm thick, inspersed with orange to red-brown granules, K+ reddish purple. Hymenium 50–60 µm thick, ±orange in the upper part, colourless below. Hypothecium 100–150 µm thick, colourless to pale yellow, K–; subhypothecium colourless, K–. Paraphyses simple or occasionally branched, 1.0–2.5 µm thick; apices tapered or rounded, not noticeably swollen. Asci 40–50 × 9–13 µm. Ascospores fusiform to narrowly ellipsoidal, 7–10 × 2–3 μm. Pycnidia not seen.
CHEMISTRY: Thallus and subhypothecium, K–; containing secalonic acid A (major). Apothecia K+ reddish purple; containing russulone (major), norussulone (minor).
  Endemic to south-western W.A. where it grows on bark; known only from the type locality.  
  Elix (2009e)  

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

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