Lichenosticta antarctica sp. nov. (Lecanorales, Ascomycota) and six noteworthy lichenicolous fungi from the Sør Rondane Mountains, Dronning Maud Land, Antarctica

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Lichenosticta antarctica sp. nov. (Lecanorales, Ascomycota) and six noteworthy lichenicolous fungi from the Sør Rondane Mountains, Dronning Maud Land, Antarctica

Kensuke Tadome

Scientific Information, Tokyo University of Agriculture, Tokyo, Japan;

Yoshihito Ohmura

Department of Botany, National Museum of Nature and Science, Ibaraki, Japan

Satoshi Imura

National Institute of Polar Research, Research Organization of Information and Systems, Tokyo, Japan; and Polar Science Program, The Graduate Institute for Advanced Studies, Tokyo, Japan

DOI:

https://doi.org/10.33265/polar.v45.13045

Keywords:

Bryostigma cf. molendoi, Tetramelas phaeophysciae, lichen, parasite, polar regions, key

Abstract

Lichenosticta antarctica , a lichenicolous fungus, is described as a new species, collected from the Sør Rondane Mountains, inland eastern Antarctica. It is characterized by small conidiomata, irregularly branched conidiophores, chained conidiogenous cells and lacriform conidia. In addition, six other noteworthy lichenicolous fungi— Bryostigma cf. molendoi, Carbonea aggregantula, Intralichen lichenicola, Lichenoconium usneae, Muellerella pygmaea and Tetramelas phaeophysciae —are reported from the same site, representing new distribution records for inland eastern Antarctica. A new key to the known species of Lichenosticta is presented.

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