Smithsonian Institution

Phylogeny Estimation and Hypothesis Testing Using Maximum Likelihood

One of the strengths of the maximum likelihood method of phylogenetic estimation is the ease with which hypotheses can be formulated and tested. Maximum likelihood analysis of D...

Genome 10K: A Proposal to Obtain Whole-Genome Sequence for 10 000 Vertebrate Species

The human genome project has been recently complemented by whole-genome assessment sequence of 32 mammals and 24 nonmammalian vertebrate species suitable for comparative genomic...

Nexus: An Extensible File Format for Systematic Information

NEXUS is a file format designed to contain systematic data for use by computer programs. The goals of the format are to allow future expansion, to include diverse kinds of infor...

Evolution of the Mitochondrial Cytochrome Oxidase II Gene in Collembola

Systematic Data in Biodiversity Studies: Use It or Lose It

Systematic data in the form of collections data are useful in biodiversity studies in many ways, most importantly because they serve as the only direct evidence of species distr...