Kukwaea pubescens gen. et sp. nova (Helotiales, incertae sedis), a new lichenicolous fungus on Cetraria islandica, and a key to the lichenicolous fungi occurring on Cetraria s. str.

Ave Suija, Mikhail P. Zhurbenko, Irina S. Stepanchikova, Dmitry E. Himelbrant, Ekaterina S. Kuznetsova, Jurga Motiejūnaitė

Research output: Contribution to journalArticlepeer-review

Abstract

A new lichenicolous genus Kukwaea is introduced for a species discovered on Cetraria islandica from coniferous forests in European and Asian parts of Russia. The new fungus is characterized by its cupulate, brown ascomata with grey to blackish disc surrounded by brownish grey hairs, exciple of textura angularis type, with crystals in the lower part, with granulose excipular hairs obtuse at the tips, simple to forked paraphyses, Calycina-type asci, and hyaline, aseptate ascospores. The DNA sequence data confirmed its placement in Helotiales, but the exact affiliation remains open. A worldwide key for lichenicolous fungi occurring on Cetraria s. str. is provided.

Original languageEnglish
Pages (from-to)39-50
Number of pages12
JournalPhytotaxa
Volume459
Issue number1
DOIs
StatePublished - Sep 2020

Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Plant Science

Keywords

  • Ascomycota
  • Hyaloscyphaceae s. lat
  • Leotiomycetes
  • Lichen-inhabiting fungi
  • Taxonomy

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