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.
ITS evolution mirroring ancient reticulation processes leading to modern taxa of Platanus. Solid arrows reflect pathways based on non-pseudogenous data, dotted arrows refer to pseudogenous data. The P. occidentalis parental lineage (grey arrow) has been eliminated in P. × hispanica. The thin black arrow indicates recent introgression from P. mexicana into the P. occidentalis species aggregate via P. rzedowskii.
