Key points are not available for this paper at this time.
Journal Article A Numerical Approach to Phylogenetic Systematics Get access James S. Farris, James S. Farris Program in Ecology and Evolution, Division of Biological Sciences, State University of New York at Stony BrookStony Brook, New York, 11790, and Museum and Department of Zoology, The University of MichiganAnn Arbor, Michigan, 48104. Search for other works by this author on: Oxford Academic PubMed Google Scholar Arnold G. Kluge, Arnold G. Kluge Program in Ecology and Evolution, Division of Biological Sciences, State University of New York at Stony BrookStony Brook, New York, 11790, and Museum and Department of Zoology, The University of MichiganAnn Arbor, Michigan, 48104. Search for other works by this author on: Oxford Academic PubMed Google Scholar Michael J. Eckardt Michael J. Eckardt Program in Ecology and Evolution, Division of Biological Sciences, State University of New York at Stony BrookStony Brook, New York, 11790, and Museum and Department of Zoology, The University of MichiganAnn Arbor, Michigan, 48104. Search for other works by this author on: Oxford Academic PubMed Google Scholar Systematic Biology, Volume 19, Issue 2, June 1970, Pages 172–189, https://doi.org/10.2307/2412452 Published: 01 June 1970
Farris et al. (Mon,) studied this question.