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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
Thelocarpon intermediellum Nyl.

Flora 48: 261 (1885)

T: Finland, J.P.Norrlin; holo: H-NYL 4127c n.v.

  Thallus thin, filmy, effuse, green; thalline warts absent; algal cells adjacent to the ascomata 6–10 (–12) µm diam. Ascomata solitary, semi-immersed to ±superficial, ±globose, (0.10–) 0.13 (–0.16) mm diam., pale yellow-pruinose; apex inconspicuous. Ascomatal wall 30–40 µm thick at the apex, 15–20 µm thick at the base, hyaline. Periphyses growing from below the ostiole and from the side walls of the ascoma, furcate, 15–20 (–25) × c. 1 µm. Paraphyses absent. Hymenium lax, separating in K, K/I+ pale blue near the base, K/I+ pale yellowish red above. Asci containing several hundred ascospores, elongate-cylindrical or narrowly flask-shaped, uniformly thin-walled (including the apex), c. 110–160 × 16–26 µm; wall K/I+ pale blue. Ascospores narrowly ellipsoidal to oblong, often slightly constricted in the middle, 2.0–4.0 (–4.5) × 1.0–1.5 (–2.0) µm, usually biguttulate.
  Known from one small collection from sheltered clay soil in wet forest regenerating after logging and burning in southern Tas. Reported for the first time from Australia; also in Europe, Siberia and the U.S.A.  
  McCarthy & Kantvilas (2009)  

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

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