Figure 5. Cumulative number of tree species specimens collected in Amazonia from 1800 to 2015 (Black line, left y-axis).
Cumulative number of tree species collected in Amazonia from 1800 to 2015 (red line, right y-axis).
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.