


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 | ||
| 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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