parsimony -- Refers to a rule used to choose among possible cladograms, which states that the cladogram implying the least number of changes in character states is the best.
Maximum parsimony
Maximum likelihood
Distance matrix methods
Statistical support for phylogenies
Does phylogenetic inference find correct trees?
Caveats with determining phylogenetic trees ...
Parsimony
How does cladistic analysis work, especially given the possibility of conflicting data generated by reversals and convergence?
Parsimony, Phylogeny, and Genomics. Oxford University Press, 3-55. ISBN 0199297304.
^ Aldous, David (1996), "Probability Distributions on Cladograms", Random Discrete Structures, Springer, p. 13
^ Lowe, Andrew (2004).
Almost always the "correct" cladogram employs the principle of parsimony, which proposes that the shortest number of steps or character state changes is most likely correct. An important question....is evolution always parsimonmious?
There are three main methods of constructing phylogenetic trees: Distance based methods such as Neighbour Joining, Parsimony based methods such as Maximum Parsimony , and character based methods such as Maximum Likelihood or Bayesian inference.
 See also: Biology, Evolution, Lysis, Organ, Origin
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