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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
Strigula melanobapha (Kremp.) R.Sant.

Symb. Bot. Upsal. 12(1): 188 (1952)

Verrucaria melanobapha Kremp., Lich. Fol. 18 (1874).

T: Borneo, [Malaysia], O.Beccari 219; holo: M n.v.; iso: G n.v.

  Thallus epiphyllous, subcuticular, 10–20 (–40) mm wide, 8–15 µm thick, lobate, the lobes thin, elongate, frequently radiating, occasionally confluent, dark brownish grey, ±smooth, dull to slightly glossy, bordered by a thin black line; spaces between lobes large; photobiont Cephaleuros; prothallus not apparent. Perithecia superficial, prominent, verrucose to ±conical, covered to the apex by a layer of thallus, 0.35–0.70 mm diam., greyish black. Perithecial apex ±rounded. Involucrellum black, carbonaceous, extending to exciple base level, 30–45 µm thick. Exciple hyaline to brown, 15–20 µm thick. Centrum 0.25–0.45 mm diam. Paraphyses simple. Asci narrowly obclavate, 70–100 × 6–12 µm. Ascospores 1-septate, fusiform, biseriate in the ascus, constricted at the septum, 14–25 × 3–5 µm; cells not separating. Conidiomata: 1) semi-immersed, hemispherical to verrucose, greyish black, 0.25–0.32 mm diam., containing simple bacilliform macroconidia 9–12 × 2–3 µm; 2) similar, but 0.07–0.15 mm diam., containing simple fusiform microconidia 4–6 × 1–2 µm.
  Occurs on the leaves of rainforest trees and shrubs north-eastern Qld; pantropical.  

Photo: R. Lücking

  McCarthy (2009b)  

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

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