NCBI Tree Viewer

NCBI Tree Viewer application home page displaying example links tree icon

NCBI Tree Viewer (TV) is the graphical display for phylogenetic trees. TV allows visualize trees in ASN (text and binary), Newick and Nexus formats. To start using Tree Viewer go to the TV Welcome page and look at the examples and demo pages. The following actions can be performed with a tree:

  • Zooming and navigation
  • Displaying in different layouts
  • Selecting branches and over-viewing selection
  • Collapsing/Expending branches
  • Rooting at midpoint
  • Re-rooting at nodes
  • Sorting
  • Uploading/Downloading
  • Creating PDF

For more information see About Tree Viewer page, Frequently asked questions page, or browse through video tutorials, web tutorials, or manuals.

Researchers looking for more capabilities, please check out Genome Workbench.

Feel free to contact us using the feedback link at the top right of the Tree Viewer application.

Support Center

Last updated: 2017-02-03T15:30:07-05:00