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Etymology

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From multi- +‎ tree.

Noun

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multitree (plural multitrees)

  1. (mathematics) An acyclic directed graph in which the set of nodes reachable from any node forms a tree.
    • 2015 July 17, “Ecological Specialization of Two Photobiont-Specific Maritime Cyanolichen Species of the Genus Lichina”, in PLOS ONE[1], →DOI:
      Second, we used the recursive multitree approach implemented in the R package bGMYC to incorporate phylogenetic uncertainty.