New species, phylogeny, host-associations and geographic distribution of genus Cryptosporella (Gnomoniaceae, Diaporthales)

Luis C. Mejý́a, Amy Y. Rossman, Lisa A. Castlebury, James F. White

Research output: Contribution to journalArticlepeer-review

21 Scopus citations

Abstract

The phylogeny of Cryptosporella is revised to include recently discovered species. Eight species new to science are described and two new combinations are proposed, raising the total number of species accepted in Cryptosporella to 19. The species delimitation and phylogeny for Cryptosporella are determined based on analyses of DNA sequences from three genes (βtubulin, ITS and tef-α), comparative morphology of sexual structures on their host substrate, and host associations. The inferred phylogeny suggests that Cryptosporella has speciated primarily on Betulaceae with 16 species occurring on hosts in that plant family. The host range of most species seems to be narrow with nine species reported from a single host species or subspecies and seven species occurring on plants within a single host genus. A key to species is provided. The known distribution of Cryptosporella is expanded to mountain cloud forests of the provinces of Chiriquý́ in Panama and Tucumán in Argentina.

Original languageEnglish (US)
Pages (from-to)379-399
Number of pages21
JournalMycologia
Volume103
Issue number2
DOIs
StatePublished - Mar 1 2011

All Science Journal Classification (ASJC) codes

  • Ecology, Evolution, Behavior and Systematics
  • Physiology
  • Molecular Biology
  • Genetics
  • Cell Biology

Keywords

  • Argentina
  • Ascomycetes
  • Betulaceae
  • Panama
  • Systematics

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