An official website of the United States government
Here's how you know
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.
Neighbour-joining tree based on the DTL distance for diploids and polyploids, their two sympatric sperm donors (S. carolitertii, S. pyrenaicus) and A. hispanica, a sister taxon of the extinct paternal ancestor of S. alburnoides.