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Software for visualizing phylogenetic trees and rooted networks.

  • Download Dendroscope 3 here.
Dendroscope3 splash screen

Dendroscope 3 - An interactive viewer for rooted phylogenetic trees and networks

Researchers studying phylogenetic relationships need software that is able to visualize rooted phylogenetic trees and networks efficiently, increasingly of large datasets involving hundreds of thousands of taxa. The program should be user friendly (easy to run on all popular operating systems), facilitate interactive browsing and editing the trees and allow one to export the result in multiple file formats in publication quality. In addition, there is a need for a program that allows one to compute rooted phylogenetic networks from trees.

We have developed the platform independent tree and rooted network viewer Dendroscope that addresses these issues. 

Feature List:

  • Large trees with hundreds of thousands of taxa can be easily displayed, browsed and edited
  • Multiple trees and networks from a single file can be displayed together in an m by n grid 
  • Novel magnifying features for zooming detailed views (see screenshots);
  • Find and replace tool bar that uses regular expressions;
  • Subtrees can be collapsed and colored;
  • All labels (leaves/inner nodes and edges) can be edited;
  • Trees can be rerooted;
  • Seven different views are available, including a rectangular, slanted, circular and radial view;
  • Input formats: Newick and Nexus, extended-Newick (for rooted phylogenetic networks) and Dendroscope;
  • Multiple graphic export formats: .eps, .svg, .png, .jpg, .gif, .bmp, .pdf;
  • Trees and networks can be copied and pasted between different windows
  • Platform independent (Java, installers for common operating systems available)
  • Consensus trees and rooted phylogenetic networks can be computed from a set of trees
  • Hybridization networks and tanglegrams for multifurcating trees on unequal taxon sets
  • Commandline mode


  • Download an installer for linux, MacOS X or Windows for version 3 here.

This program is open source, the source is available here.

(Version two is still available here). 


The new network capabilities introduced in version 3 are based on the following papers:

  • D.H. Huson and S. Linz, Computing minimum hybridization networks from real phylogenetic trees, submitted (2012).
  • D.H. Huson and R. Rupp, Summarizing Multiple Gene Trees using Cluster Networks, WABI 2008, 295-305.
  • D.H. Huson, Drawing Rooted Phylogenetic Networks, TCBB, Jan-March 2009, Vol.6, Issue 1, pages 103-109.
  • D. H. Huson, R. Rupp, V. Berry, P. Gambette and C. Paul - Computing galled networks from real data, Bioinformatics 2009 25(12):i85-i93; doi:10.1093/bioinformatics/btp217.

If you have any comments or questions then please write us an email. You can also reach this site via:


Same tree - seven different views: Rectangular Phylogram, Rectangular Cladogram, Slanted Cladogram, Circular Phylogram, Circular Cladogram, Radial Phylogram and Radial Cladogram:


Part of the NCBI taxonomy showing Homo sapiens and his relatives without the magnifier:

without magnifier1

Same detail of previous tree with the magnifier turned on:

with magnifier1

Tanglegram for two trees:


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