Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Bootstrap support for the major clades are indicated at the branches. Informal names of the clades are given in conjunction with their distribution. For taxon names see the phylogenetic tree in the figure S1.
