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A new circumscription of the genus Xanthodactylon (Teloschistaceae, lichenized Ascomycetes).

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Author

Summary, in English

The African genus Xanthodactylon is circumscribed and compared with the cosmopolitan genus Xanthoria. The two genera are best distinguished by their ascospores. The South African species Xanthodactylon turbinatum is shown to be heterogeneous. A new species Xanthodactylon wirthii is segregated and the new combination X. alexanderbaai is proposed. Four species are thus included in Xanthodactylon. In addition, African species of the genus Xanthoria, X. sipmanii, and the Afro-Eurasian X. monofoliosa, are described and illustrated. A key to the species of Xanthodactylon and morphologically similar species of Xanthoria is presented.

Publishing year

2008

Language

English

Pages

265-282

Publication/Series

Sauteria

Volume

15

Document type

Journal article

Publisher

Alexander Just Publishing house

Topic

  • Botany
  • Ecology

Keywords

  • chemistry
  • morphology
  • phylogeny
  • Xanthodactylon
  • Xanthoria
  • distribution
  • Africa.

Status

Published