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.
The tree was constructed using the neighbor-joining cluster algorithm. Bootstrap support (%) and posterior probabilities are given on the branches (BS/PP). Bootstrap values below 50 are not shown. Scale bar, 0.002 substitutions/site.
