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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
Porina fulvula Müll.Arg.
  Bull. Herb. Boissier 3: 325 (1895). T: Thursday Island, Qld, 1887, ?C.H.Hartmann; holo: G.  
  Thallus epilithic, diffuse to determinate, continuous to sparingly rimose, pale greyish green, matt, rugulose-verruculose, c. 30–60 µm thick, ecorticate; prothallus not apparent. Algae Trentepohlia; cells 8–16 × 8–12 µm. Perithecia semi-immersed to ±superficial, hemispherical, 0.2–0.26 mm diam., pale orange-brown to red-brown; apex rounded; ostiole inconspicuous. Involucrellum contiguous with the exciple, 30–60 µm thick, containing algae, K–; lower levels overgrown by a thin layer of thallus. Exciple c. 15 µm thick, hyaline to pale brown. Centrum 0.15–0.18 mm wide. Asci elongate-cylindrical, c. 70–90 × 8–11 µm. Ascospores fusiform, 3-septate, 18–25 × 4.5–6.2 µm; perispore c. 1 µm thick. Pycnidia not seen.
  Known with certainty only from the type locality in Thursday Is., north-eastern Queensland; grows on maritime siliceous rock.  
  McCarthy (2001b)  

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

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