newick format

• [[wp]] https://en.wikipedia.org/wiki/Newick_format pull

Newick Format

• Format to represent trees with distances and branch names

Examples

Printed using DendroPY options show_internal_node_labels = True, width=40, plot_metric="length".

Single Descendant

(B)A;

A- B

Two Descendants

(B,C)A;

/- B
A
\- C

Two Levels Of Descendants

((D,E)B,(F,G)C)A;

                   / D
/B
|                  \ E
A
|                  / F
\C
                   \ G

Distances

(A:1,B:2);

/ A
@
\- B

Big Example

(
    (
        (
            (
                Dasyatis_laosensis:0.00864712,
                Hemitrygon_akajei:0.02501331
            ):0.00555551,
            Dasyatis_sp._TT:0.01190329
        ):0.07844344,
        Maculabatis_gerrardi:0.10443933
    ):0.03362855,
    (
        Aetobatus_flagellum:0.06712780,
        (
            Aetobatus_narinari:0.00190402,
            Aetobatus_ocellatus:0.00159879
        ):0.05608476
    ):0.06364667,
    Squatina_squatina:0.24404039
);

         /Dasyatis laosensis
        /@
  /-----@\- Hemitrygon akajei
  |     |
/-@     \ Dasyatis sp. TT
| |
| \- Maculabatis gerrardi
|
|   /----- Aetobatus flagellum
@---@
|   |    /Aetobatus narinari
|   \----@
|        \Aetobatus ocellatus
|
\ Squatina squatina