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Checklist of the Lichens of Australia and its Island Territories
Introduction | A–D | E–O | P–R | S–Z | Oceanic Islands | References
Pyrenula subumbilicata (C.Knight) Aptroot

Australas. Lichenol. 60: 39 (2007)

Trypethelium subumbilicatum C.Knight, in F.M.Bailey, Syn. Queensland Fl., Suppl. 1: 76 (1886); Parmentaria subumbilicata (C.Knight) Müll.Arg., Flora 70: 426 (1887).

T: Toowoomba, Qld, C.H.Hartmann; syn: G n.v.; isosyn: BRI.

Pyrenula immersa Müll.Arg., Flora 70: 429 (1887). T: Toowoomba, Qld, C.H.Hartmann; holo: G n.v.; iso: BRI.

  Thallus yellowish to olive-green, lacking pseudocyphellae, corticate. Ascomata occasionally solitary, but usually in groups of 2–6 with fused ostioles, flask-shaped, immersed to erumpent from the substratum, usually partly covered by the thallus, c. 0.4–0.6 mm diam. Ascomatal wall without crystals, to 200 μm thick; ostiole lateral, pale. Hamathecium not inspersed with oil droplets, IKI–. Ascospores 8 per ascus, irregularly biseriate, submuriform, with c. 5 transverse septa, the end locules simple, only a few medial locules longitudinally septate, fusiform, with pointed ends, grey to brown, 24–32 × 10–13 μm; lumina angular.
CHEMISTRY: No substances detected.
  Endemic to lowland rainforest in eastern Qld; locally abundant.  
  Aptroot (2009c)  

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

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