PhyloStrat was the prototype for the Evolutionary Evidence and Flowers and Trees virtual labs from A fully-functional evaluation package, including all of SimBio’s products, is available on request.

I am no longer developing or supporting PhyloStrat. It is still available here, however, for those who want to use it.

Evolution Simulation Software for Evolutionary Analysis.

PhyloStrat lets the user explore what happens when species are independently designed versus evolved by descent with modification.

Download the PhyloStrat application:

A tutorial using PhyloStrat: PhyloStrat.Tutorial.pdf

Fine print:

PhyloStrat 1.0 © 2002 by Jon C. Herron

PhyloStrat is free. You may give it to anyone you like, so long as you distribute it as a stand-alone application. You may not sell it. You may not include it in a collection with other software, regardless of whether you are selling the collection or giving it away.

I make no warranties or guarantees about the quality of PhyloStrat, or the accuracy of the simulations it runs. Use it in good health, but at your own risk.

If you have comments or suggestions, please send them to me at herronjc at