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The Open Tree of Life is an online phylogenetic tree of life – a collaborative effort, funded by the National Science Foundation.cite-ref-2[2]cite-ref-3[3] The first draft, including 2.3 million species, was released in September 2015.cite-ref-4[4] The Interactive graph allows the user to zoom in to taxonomic classifications, phylogenetic trees, and information about a node. Clicking on a species will return its source and reference taxonomy.

• Approach

• History

• See also

• References

The project uses a supertree approach to generate a single phylogenetic tree (served at tree.opentreeoflife.orgcite-ref-5[5]) from a comprehensive taxonomy and a curated set of published phylogenetic estimates.

The taxonomy is a combination of several large classifications produced by other projects; it is created using a software tool called "smasher".cite-ref-6[6] The resulting taxonomy is called an Open Tree Taxonomy (OTT) and can be browsed on-line.cite-ref-7[7]

The project was started in June 2012 with a three-year NSF award to researchers at ten universities. In 2015, a two-year supplemental award was made to researchers at three institutions.

• Tree of Life Web Project

cite-note-11. "OpenTreeOfLife License".

cite-note-22. ↑ citerefhinchliffsmithallmanburleigh2015Hinchliff CE, Smith SA, Allman JF, Burleigh JG, Chaudhary R, Coghill LM, et al. (October 2015). "Synthesis of phylogeny and taxonomy into a comprehensive tree of life". Proceedings of the National Academy of Sciences of the United States of America. 112 (41): 12764–9. Bibcode:2015PNAS..11212764H. doi:10.1073/pnas.1423041112. PMC 4611642. PMID 26385966.

cite-note-33. ↑ "Assembling, Visualizing, and Analyzing the Tree of Life". National Science Foundation (NSF). 11 March 2011. Retrieved 2016-02-11.

cite-note-44. ↑ citerefpennisi2015Pennisi E (21 September 2015). "First comprehensive tree of life shows how related you are to millions of species". Science Magazine.

cite-note-55. ↑ "opentree". Open Tree of Life developers.

cite-note-66. ↑ citerefreescranston2017Rees JA, Cranston K (2017). "Automated assembly of a reference taxonomy for phylogenetic data synthesis". Biodiversity Data Journal. 5 (5): e12581. doi:10.3897/BDJ.5.e12581. PMC 5515096. PMID 28765728.

cite-note-77. ↑ "tree.opentreeoflife.org".