Trex-online

Paste your sequences in the (sequential) Phylip format
(no spaces in the species names; at least one space is required in the end of a species name) into the window :

Data type :

Distance matrix

Sequences

File Pasted

Data example in the sequential Phylip format

Tree reconstruction method:

MW options:

Weight matrix W = 1/D^p p =

Substitution model:

Missing bases option:

Validation:

Number of replicates

Citation:
Makarenkov, V., Leclerc, B. 1999. An algorithm for the fitting of a tree metric according to a weighted least-squares criterion, Journal of Classification 16 3-26.

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