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

Author:
  • Sergij Kondratyuk
  • Ingvar Kärnefelt
  • John A. Elix
  • Arne Thell
Publishing year: 2008
Language: English
Pages: 265-282
Publication/Series: Sauteria
Volume: 15
Document type: Journal article
Publisher: Alexander Just Publishing house

Abstract 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.

Keywords

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

Other

Published
Arne Thell
E-mail: arne [dot] thell [at] biol [dot] lu [dot] se

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