XOXO Tree Format

Compare representations for this tree:

Newick (common format used in phylogeny software):

HTML - exported from an Excel spreadsheet (used by Phylotree):



  • Easy to use
    • HTML
    • free software
    • one file format for everything
  • Well defined
    • Unambiguous
    • Separation of concerns
  • Extendable
    • Embedded data
    • Scriptability
    • Cosmetic enhancement

XOXO Tree Specification


Please provide critical feedback. Do you agree with the advantages of XOXO tree format? How might it be improved? Other ideas or suggestions.

Topic revision: r1 - 12 Feb 2016, MarieLott
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