Fig. 1.
Location of sampled archaeological sites relative to the distribution of T.cacao and I. vomitoria. Cacao distribution data from ref. 10. I. vomitoria distribution data from esp.cr.usgs.gov/data/little/.
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.