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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
Lithothelium nanosporum (C.Knight) Aptroot

Australas. Lichenol. 60: 36 (2007)

Trypethelium nanosporum C.Knight, in F.M.Bailey, Syn. Queensland Fl., Suppl. 1: 78 (1886), non Pyrenula nanospora (A.Singh) Upreti (1998); Parmentaria microspora Müll.Arg., Flora 70: 427 (1887), nom. superfl., non Pyrenula microspora (Nagarkar & Patw.) Upreti (1998).

T: Toowoomba, Qld, C.Knight; iso: BRI.

Lithothelium submuriforme R.C.Harris & Aptroot, in A.Aptroot, Biblioth. Lichenol. 44: 69 (1991). T: forest S of Nkandhla, Nkandhla Distr., Natal, South Africa, O.Almborn 8161; holo: LD.

[Anthracothecium libricolum auct. non (Fée) Müll.Arg.: J.Müller, Rep. Australas. Assoc. Advancem. Sci. 1895: 457 (1895) p.p.]

  Thallus yellowish to olive-green or slate-grey, corticate. Ascomata solitary or, usually, in groups of 2–6 with fused ostioles, flask-shaped, immersed to erumpent from the substratum, often or usually partly covered by the thallus, c. 0.4–0.6 mm diam. Ascomatal wall lacking crystals, to 200 μm thick; ostiole black, lateral. Hamathecium IKI+ blue. Asci 50–90 × 10–12 μm, with a sagittiform ocular chamber. Ascospores 8 per ascus, irregularly uniseriate, red-brown, irregularly submuriform, with 5–10 locules, fusiform, with rounded ends, 14–23 × 5.5–9.0 μm; lumina rounded. Pycnidia occasional. Conidia 16–20 × 0.3–0.6 μm.
  Corticolous in eastern Qld; also in lowland rainforest in South Africa and Taiwan.  
  Aptroot (2009c)  

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

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