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Cameronia (lichenized Ascomycetes), a remarkable new alpine genus from Tasmania

  • Gintaras KANTVILAS (a1)

The new genus, Cameronia Kantvilas, is described and illustrated. It is characterized by a crustose thallus, a chlorococcalean photobiont, deeply immersed perithecioid ascomata, four-spored asci with an intensely hemiamyloid outer wall and non-amyloid, well-developed tholus, and hyaline, muriform ascospores. The taxonomic position of the new genus is uncertain although a relationship with the Ostropomycetidae is likely. Two species, both endemic to the highlands of Tasmania, are described: C. pertusarioides Kantvilas, which is one of the most common lichens on dolerite in alpine Tasmania, and C. tecta Kantvilas, which is confined to metamorphosed sediments.

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C. F. Culberson (1972) Improved conditions and new data for the identification of lichen products by a standardized thin-layer chromatographic method. Journal of Chromatography 72: 113125.

J. A. Elix , R. Naidu & J. R. Laundon (1992) A synthesis of the lichen dibenzofuran pannaric acid 2-methyl ester and its isomer 3-O-methylpannaric acid. Australian Journal of Chemistry 45: 785791.

D. J. Galloway (1991) Phytogeography of Southern Hemisphere lichens. In Quantitative Approaches to Phytogeography ( P. L. Nimis & T. J. Crovello , eds): 233262. Dordecht: Kluwer Academic Publishers.

M. Grube (1998) Classification and phylogeny in the Arthoniales (lichenized Ascomycetes). Bryologist 101: 377391.

A. Henssen , H. Döring & G. Kantvilas (1992) Austropeltum glareosum gen. et sp. nov., a new lichen from mountain plateaux in Tasmania and New Zealand. Botanica Acta 105: 457467.

G. Kantvilas (1995) Alpine lichens of Tasmania's south-west wilderness. Lichenologist 27: 433449.

G. Kantvilas & A. Vězda (2000) Studies on the lichen family Thelotremataceae in Tasmania. The genus Chroodiscus and its allies. Lichenologist 32: 325357.

G. Kantvilas , J. A. Elix & P. W. James (1992) Siphulella, a new lichen genus from Southwest Tasmania. Bryologist 95: 186191.

G. Kantvilas , J. Hafellner & J. A. Elix (1999) Tasmidella, a new lichen genus from Tasmania, with a revised circumscription of the family Megalariaceae. Lichenologist 31: 213225.

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The Lichenologist
  • ISSN: 0024-2829
  • EISSN: 1096-1135
  • URL: /core/journals/lichenologist
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