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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 semecarpi Vain.
  Ann. Acad. Sci. Fenn., ser. A, 15: 367 (1921). T: Philippines, Robinson 17347; holo: TUR-VAINIO n.v.  
  Thallus epiphyllous, usually comprising small roundish patches, pale to medium greyish green, smooth, matt to slightly glossy; prothallus not apparent. Algae Phycopeltis; cells rectangular, forming radiating plates. Perithecia subglobose, basally constricted, 0.17–0.26 mm diam.; sides ±yellow-orange, but with a thin greyish often slightly rough covering of thallus material; apex smooth, yellow-orange to orange-brown, dull to slightly glossy; ostiole inconspicuous or a slightly darker spot. Involucrellum extending to the base of the exciple, yellow-orange to orange-brown in thin section, subtended by a thin layer of algae. Exciple c. 10 µm thick, pale yellow-brown. Asci narrowly obclavate to cylindroclavate, 55–80 × 8–12 µm. Ascospores ±fusiform to oblong, 3-septate, 17–26 × 3–6 µm; perispore not apparent. Pycnidia not seen.
  Occurs in eastern Qld and eastern N.S.W.; grows on the leaves of rainforest trees and shrubs. Also in Macaronesia, West and East Africa, Malesia, Japan and islands of the South Pacific.  
  McCarthy (2001b)  

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

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